Home / 928,241,600.46-1,281,306,606.22-551,897,290.40

Finding the Fourth Proportional to 928,241,600.46, 1,281,306,606.22 and 551,897,290.40

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Solution

The fourth proportional to 928,241,600.46, 1,281,306,606.22 and 551,897,290.40 is: 761,816,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,241,600.46 : 1,281,306,606.22 = 551,897,290.40 : x
  2. Step 2: Convert to fraction form
    928,241,600.46/1,281,306,606.22 = 551,897,290.40/x
  3. Step 3: Cross multiply
    928,241,600.46x = 1,281,306,606.22 × 551,897,290.40
  4. Step 4: Simplify right side
    928,241,600.46x = 707,149,644,144,437,760
  5. Step 5: Solve for x
    x = 707,149,644,144,437,760/928,241,600.46
  6. Step 6: Final answer
    x = 761,816,367.41

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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.