Home / 484,870,403.20-727,305,604.80-291,000,726.40

Finding the Fourth Proportional to 484,870,403.20, 727,305,604.80 and 291,000,726.40

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Solution

The fourth proportional to 484,870,403.20, 727,305,604.80 and 291,000,726.40 is: 436,501,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,870,403.20 : 727,305,604.80 = 291,000,726.40 : x
  2. Step 2: Convert to fraction form
    484,870,403.20/727,305,604.80 = 291,000,726.40/x
  3. Step 3: Cross multiply
    484,870,403.20x = 727,305,604.80 × 291,000,726.40
  4. Step 4: Simplify right side
    484,870,403.20x = 211,646,459,311,591,296
  5. Step 5: Solve for x
    x = 211,646,459,311,591,296/484,870,403.20
  6. Step 6: Final answer
    x = 436,501,089.60

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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.