Home / 1,527,946,127.15-2,291,916,329.85-478,764,650.61

Finding the Fourth Proportional to 1,527,946,127.15, 2,291,916,329.85 and 478,764,650.61

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Solution

The fourth proportional to 1,527,946,127.15, 2,291,916,329.85 and 478,764,650.61 is: 718,146,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,946,127.15 : 2,291,916,329.85 = 478,764,650.61 : x
  2. Step 2: Convert to fraction form
    1,527,946,127.15/2,291,916,329.85 = 478,764,650.61/x
  3. Step 3: Cross multiply
    1,527,946,127.15x = 2,291,916,329.85 × 478,764,650.61
  4. Step 4: Simplify right side
    1,527,946,127.15x = 1,097,288,520,887,988,736
  5. Step 5: Solve for x
    x = 1,097,288,520,887,988,736/1,527,946,127.15
  6. Step 6: Final answer
    x = 718,146,079.49

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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.