Home / 763,092,017.70-1,144,722,007.35-278,522,801.70

Finding the Fourth Proportional to 763,092,017.70, 1,144,722,007.35 and 278,522,801.70

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Solution

The fourth proportional to 763,092,017.70, 1,144,722,007.35 and 278,522,801.70 is: 417,814,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,092,017.70 : 1,144,722,007.35 = 278,522,801.70 : x
  2. Step 2: Convert to fraction form
    763,092,017.70/1,144,722,007.35 = 278,522,801.70/x
  3. Step 3: Cross multiply
    763,092,017.70x = 1,144,722,007.35 × 278,522,801.70
  4. Step 4: Simplify right side
    763,092,017.70x = 318,831,180,654,769,984
  5. Step 5: Solve for x
    x = 318,831,180,654,769,984/763,092,017.70
  6. Step 6: Final answer
    x = 417,814,854.91

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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.