Home / 539,094,129.40-808,641,194.10-517,930,967.80

Finding the Fourth Proportional to 539,094,129.40, 808,641,194.10 and 517,930,967.80

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Solution

The fourth proportional to 539,094,129.40, 808,641,194.10 and 517,930,967.80 is: 776,896,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,094,129.40 : 808,641,194.10 = 517,930,967.80 : x
  2. Step 2: Convert to fraction form
    539,094,129.40/808,641,194.10 = 517,930,967.80/x
  3. Step 3: Cross multiply
    539,094,129.40x = 808,641,194.10 × 517,930,967.80
  4. Step 4: Simplify right side
    539,094,129.40x = 418,820,316,263,160,640
  5. Step 5: Solve for x
    x = 418,820,316,263,160,640/539,094,129.40
  6. Step 6: Final answer
    x = 776,896,451.70

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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.