Home / 450,609,424.27-621,832,775.02-249,665,565.72

Finding the Fourth Proportional to 450,609,424.27, 621,832,775.02 and 249,665,565.72

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Solution

The fourth proportional to 450,609,424.27, 621,832,775.02 and 249,665,565.72 is: 344,533,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,609,424.27 : 621,832,775.02 = 249,665,565.72 : x
  2. Step 2: Convert to fraction form
    450,609,424.27/621,832,775.02 = 249,665,565.72/x
  3. Step 3: Cross multiply
    450,609,424.27x = 621,832,775.02 × 249,665,565.72
  4. Step 4: Simplify right side
    450,609,424.27x = 155,250,231,558,605,792
  5. Step 5: Solve for x
    x = 155,250,231,558,605,792/450,609,424.27
  6. Step 6: Final answer
    x = 344,533,920.50

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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.