Home / 753,838,909.20-1,129,918,555.80-293,624,125.20

Finding the Fourth Proportional to 753,838,909.20, 1,129,918,555.80 and 293,624,125.20

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Solution

The fourth proportional to 753,838,909.20, 1,129,918,555.80 and 293,624,125.20 is: 440,109,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,838,909.20 : 1,129,918,555.80 = 293,624,125.20 : x
  2. Step 2: Convert to fraction form
    753,838,909.20/1,129,918,555.80 = 293,624,125.20/x
  3. Step 3: Cross multiply
    753,838,909.20x = 1,129,918,555.80 × 293,624,125.20
  4. Step 4: Simplify right side
    753,838,909.20x = 331,771,347,494,022,336
  5. Step 5: Solve for x
    x = 331,771,347,494,022,336/753,838,909.20
  6. Step 6: Final answer
    x = 440,109,078.27

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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.