Home / 689,221,729.94-951,132,057.56-375,957,337.10

Finding the Fourth Proportional to 689,221,729.94, 951,132,057.56 and 375,957,337.10

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Solution

The fourth proportional to 689,221,729.94, 951,132,057.56 and 375,957,337.10 is: 518,824,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,221,729.94 : 951,132,057.56 = 375,957,337.10 : x
  2. Step 2: Convert to fraction form
    689,221,729.94/951,132,057.56 = 375,957,337.10/x
  3. Step 3: Cross multiply
    689,221,729.94x = 951,132,057.56 × 375,957,337.10
  4. Step 4: Simplify right side
    689,221,729.94x = 357,585,075,584,066,112
  5. Step 5: Solve for x
    x = 357,585,075,584,066,112/689,221,729.94
  6. Step 6: Final answer
    x = 518,824,436.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.