Home / 906,518,051.20-1,359,777,076.80-830,935,331.20

Finding the Fourth Proportional to 906,518,051.20, 1,359,777,076.80 and 830,935,331.20

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Solution

The fourth proportional to 906,518,051.20, 1,359,777,076.80 and 830,935,331.20 is: 1,246,402,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,518,051.20 : 1,359,777,076.80 = 830,935,331.20 : x
  2. Step 2: Convert to fraction form
    906,518,051.20/1,359,777,076.80 = 830,935,331.20/x
  3. Step 3: Cross multiply
    906,518,051.20x = 1,359,777,076.80 × 830,935,331.20
  4. Step 4: Simplify right side
    906,518,051.20x = 1,129,886,815,668,975,872
  5. Step 5: Solve for x
    x = 1,129,886,815,668,975,872/906,518,051.20
  6. Step 6: Final answer
    x = 1,246,402,996.80

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Similar ratio
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1.5x scale

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.