Home / 456,729,296.77-630,287,052.51-247,885,442.38

Finding the Fourth Proportional to 456,729,296.77, 630,287,052.51 and 247,885,442.38

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Solution

The fourth proportional to 456,729,296.77, 630,287,052.51 and 247,885,442.38 is: 342,082,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,729,296.77 : 630,287,052.51 = 247,885,442.38 : x
  2. Step 2: Convert to fraction form
    456,729,296.77/630,287,052.51 = 247,885,442.38/x
  3. Step 3: Cross multiply
    456,729,296.77x = 630,287,052.51 × 247,885,442.38
  4. Step 4: Simplify right side
    456,729,296.77x = 156,238,984,837,827,648
  5. Step 5: Solve for x
    x = 156,238,984,837,827,648/456,729,296.77
  6. Step 6: Final answer
    x = 342,082,248.59

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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.