Home / 539,397,622.40-809,096,433.60-376,138,947.20

Finding the Fourth Proportional to 539,397,622.40, 809,096,433.60 and 376,138,947.20

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Solution

The fourth proportional to 539,397,622.40, 809,096,433.60 and 376,138,947.20 is: 564,208,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,397,622.40 : 809,096,433.60 = 376,138,947.20 : x
  2. Step 2: Convert to fraction form
    539,397,622.40/809,096,433.60 = 376,138,947.20/x
  3. Step 3: Cross multiply
    539,397,622.40x = 809,096,433.60 × 376,138,947.20
  4. Step 4: Simplify right side
    539,397,622.40x = 304,332,680,717,578,688
  5. Step 5: Solve for x
    x = 304,332,680,717,578,688/539,397,622.40
  6. Step 6: Final answer
    x = 564,208,420.80

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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.