Home / 672,346,530.78-927,839,450.56-375,007,938.16

Finding the Fourth Proportional to 672,346,530.78, 927,839,450.56 and 375,007,938.16

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Solution

The fourth proportional to 672,346,530.78, 927,839,450.56 and 375,007,938.16 is: 517,511,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,346,530.78 : 927,839,450.56 = 375,007,938.16 : x
  2. Step 2: Convert to fraction form
    672,346,530.78/927,839,450.56 = 375,007,938.16/x
  3. Step 3: Cross multiply
    672,346,530.78x = 927,839,450.56 × 375,007,938.16
  4. Step 4: Simplify right side
    672,346,530.78x = 347,947,159,293,373,632
  5. Step 5: Solve for x
    x = 347,947,159,293,373,632/672,346,530.78
  6. Step 6: Final answer
    x = 517,511,645.21

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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.