Home / 750,385,145.80-1,126,585,488.30-478,959,200.20

Finding the Fourth Proportional to 750,385,145.80, 1,126,585,488.30 and 478,959,200.20

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Solution

The fourth proportional to 750,385,145.80, 1,126,585,488.30 and 478,959,200.20 is: 719,082,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,385,145.80 : 1,126,585,488.30 = 478,959,200.20 : x
  2. Step 2: Convert to fraction form
    750,385,145.80/1,126,585,488.30 = 478,959,200.20/x
  3. Step 3: Cross multiply
    750,385,145.80x = 1,126,585,488.30 × 478,959,200.20
  4. Step 4: Simplify right side
    750,385,145.80x = 539,588,484,433,094,400
  5. Step 5: Solve for x
    x = 539,588,484,433,094,400/750,385,145.80
  6. Step 6: Final answer
    x = 719,082,044.01

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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.