Home / 799,221,877.02-1,198,287,259.26-425,785,594.55

Finding the Fourth Proportional to 799,221,877.02, 1,198,287,259.26 and 425,785,594.55

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Solution

The fourth proportional to 799,221,877.02, 1,198,287,259.26 and 425,785,594.55 is: 638,387,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,221,877.02 : 1,198,287,259.26 = 425,785,594.55 : x
  2. Step 2: Convert to fraction form
    799,221,877.02/1,198,287,259.26 = 425,785,594.55/x
  3. Step 3: Cross multiply
    799,221,877.02x = 1,198,287,259.26 × 425,785,594.55
  4. Step 4: Simplify right side
    799,221,877.02x = 510,213,453,119,717,696
  5. Step 5: Solve for x
    x = 510,213,453,119,717,696/799,221,877.02
  6. Step 6: Final answer
    x = 638,387,746.62

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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.