Home / 1,029,783,285.60-1,544,674,928.40-825,709,941.60

Finding the Fourth Proportional to 1,029,783,285.60, 1,544,674,928.40 and 825,709,941.60

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Solution

The fourth proportional to 1,029,783,285.60, 1,544,674,928.40 and 825,709,941.60 is: 1,238,564,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,783,285.60 : 1,544,674,928.40 = 825,709,941.60 : x
  2. Step 2: Convert to fraction form
    1,029,783,285.60/1,544,674,928.40 = 825,709,941.60/x
  3. Step 3: Cross multiply
    1,029,783,285.60x = 1,544,674,928.40 × 825,709,941.60
  4. Step 4: Simplify right side
    1,029,783,285.60x = 1,275,453,444,920,148,224
  5. Step 5: Solve for x
    x = 1,275,453,444,920,148,224/1,029,783,285.60
  6. Step 6: Final answer
    x = 1,238,564,912.40

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Half scale
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Double scale
Find fourth proportional to 1,029,783,286.60, 1,544,674,929.90 and 825,709,942.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.