Home / 742,234,587.54-1,024,222,747.92-407,689,820.82

Finding the Fourth Proportional to 742,234,587.54, 1,024,222,747.92 and 407,689,820.82

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Solution

The fourth proportional to 742,234,587.54, 1,024,222,747.92 and 407,689,820.82 is: 562,578,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,234,587.54 : 1,024,222,747.92 = 407,689,820.82 : x
  2. Step 2: Convert to fraction form
    742,234,587.54/1,024,222,747.92 = 407,689,820.82/x
  3. Step 3: Cross multiply
    742,234,587.54x = 1,024,222,747.92 × 407,689,820.82
  4. Step 4: Simplify right side
    742,234,587.54x = 417,565,188,579,272,832
  5. Step 5: Solve for x
    x = 417,565,188,579,272,832/742,234,587.54
  6. Step 6: Final answer
    x = 562,578,456.45

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1.5x scale

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.