Home / 900,521,152.80-1,351,014,618.06-527,344,194.30

Finding the Fourth Proportional to 900,521,152.80, 1,351,014,618.06 and 527,344,194.30

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Solution

The fourth proportional to 900,521,152.80, 1,351,014,618.06 and 527,344,194.30 is: 791,152,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,521,152.80 : 1,351,014,618.06 = 527,344,194.30 : x
  2. Step 2: Convert to fraction form
    900,521,152.80/1,351,014,618.06 = 527,344,194.30/x
  3. Step 3: Cross multiply
    900,521,152.80x = 1,351,014,618.06 × 527,344,194.30
  4. Step 4: Simplify right side
    900,521,152.80x = 712,449,715,248,372,864
  5. Step 5: Solve for x
    x = 712,449,715,248,372,864/900,521,152.80
  6. Step 6: Final answer
    x = 791,152,670.91

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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.