Home / 742,663,483.85-1,114,032,228.20-282,637,306.73

Finding the Fourth Proportional to 742,663,483.85, 1,114,032,228.20 and 282,637,306.73

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Solution

The fourth proportional to 742,663,483.85, 1,114,032,228.20 and 282,637,306.73 is: 423,970,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,663,483.85 : 1,114,032,228.20 = 282,637,306.73 : x
  2. Step 2: Convert to fraction form
    742,663,483.85/1,114,032,228.20 = 282,637,306.73/x
  3. Step 3: Cross multiply
    742,663,483.85x = 1,114,032,228.20 × 282,637,306.73
  4. Step 4: Simplify right side
    742,663,483.85x = 314,867,068,581,885,440
  5. Step 5: Solve for x
    x = 314,867,068,581,885,440/742,663,483.85
  6. Step 6: Final answer
    x = 423,970,042.19

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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.