Home / 1,282,709,107.60-1,924,063,661.40-637,736,563.60

Finding the Fourth Proportional to 1,282,709,107.60, 1,924,063,661.40 and 637,736,563.60

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Solution

The fourth proportional to 1,282,709,107.60, 1,924,063,661.40 and 637,736,563.60 is: 956,604,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,709,107.60 : 1,924,063,661.40 = 637,736,563.60 : x
  2. Step 2: Convert to fraction form
    1,282,709,107.60/1,924,063,661.40 = 637,736,563.60/x
  3. Step 3: Cross multiply
    1,282,709,107.60x = 1,924,063,661.40 × 637,736,563.60
  4. Step 4: Simplify right side
    1,282,709,107.60x = 1,227,045,747,568,870,144
  5. Step 5: Solve for x
    x = 1,227,045,747,568,870,144/1,282,709,107.60
  6. Step 6: Final answer
    x = 956,604,845.40

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Double scale
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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.