Home / 747,648,001.80-1,121,472,002.70-425,161,729.80

Finding the Fourth Proportional to 747,648,001.80, 1,121,472,002.70 and 425,161,729.80

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Solution

The fourth proportional to 747,648,001.80, 1,121,472,002.70 and 425,161,729.80 is: 637,742,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,648,001.80 : 1,121,472,002.70 = 425,161,729.80 : x
  2. Step 2: Convert to fraction form
    747,648,001.80/1,121,472,002.70 = 425,161,729.80/x
  3. Step 3: Cross multiply
    747,648,001.80x = 1,121,472,002.70 × 425,161,729.80
  4. Step 4: Simplify right side
    747,648,001.80x = 476,806,976,590,202,304
  5. Step 5: Solve for x
    x = 476,806,976,590,202,304/747,648,001.80
  6. Step 6: Final answer
    x = 637,742,594.70

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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.