Home / 287,227,030.60-430,840,545.90-282,692,067.40

Finding the Fourth Proportional to 287,227,030.60, 430,840,545.90 and 282,692,067.40

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Solution

The fourth proportional to 287,227,030.60, 430,840,545.90 and 282,692,067.40 is: 424,038,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,227,030.60 : 430,840,545.90 = 282,692,067.40 : x
  2. Step 2: Convert to fraction form
    287,227,030.60/430,840,545.90 = 282,692,067.40/x
  3. Step 3: Cross multiply
    287,227,030.60x = 430,840,545.90 × 282,692,067.40
  4. Step 4: Simplify right side
    287,227,030.60x = 121,795,204,640,215,584
  5. Step 5: Solve for x
    x = 121,795,204,640,215,584/287,227,030.60
  6. Step 6: Final answer
    x = 424,038,101.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.