Home / 1,641,025,400.70-2,461,538,101.05-492,168,056.70

Finding the Fourth Proportional to 1,641,025,400.70, 2,461,538,101.05 and 492,168,056.70

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Solution

The fourth proportional to 1,641,025,400.70, 2,461,538,101.05 and 492,168,056.70 is: 738,252,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,025,400.70 : 2,461,538,101.05 = 492,168,056.70 : x
  2. Step 2: Convert to fraction form
    1,641,025,400.70/2,461,538,101.05 = 492,168,056.70/x
  3. Step 3: Cross multiply
    1,641,025,400.70x = 2,461,538,101.05 × 492,168,056.70
  4. Step 4: Simplify right side
    1,641,025,400.70x = 1,211,490,423,686,786,816
  5. Step 5: Solve for x
    x = 1,211,490,423,686,786,816/1,641,025,400.70
  6. Step 6: Final answer
    x = 738,252,085.05

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Double scale
Find fourth proportional to 1,641,025,401.70, 2,461,538,102.55 and 492,168,057.70
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.