Home / 742,613,902.10-1,024,583,703.80-445,147,607.87

Finding the Fourth Proportional to 742,613,902.10, 1,024,583,703.80 and 445,147,607.87

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Solution

The fourth proportional to 742,613,902.10, 1,024,583,703.80 and 445,147,607.87 is: 614,169,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,613,902.10 : 1,024,583,703.80 = 445,147,607.87 : x
  2. Step 2: Convert to fraction form
    742,613,902.10/1,024,583,703.80 = 445,147,607.87/x
  3. Step 3: Cross multiply
    742,613,902.10x = 1,024,583,703.80 × 445,147,607.87
  4. Step 4: Simplify right side
    742,613,902.10x = 456,090,984,809,490,304
  5. Step 5: Solve for x
    x = 456,090,984,809,490,304/742,613,902.10
  6. Step 6: Final answer
    x = 614,169,736.82

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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.