Home / 817,697,024.60-1,226,545,536.90-491,179,674.20

Finding the Fourth Proportional to 817,697,024.60, 1,226,545,536.90 and 491,179,674.20

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Solution

The fourth proportional to 817,697,024.60, 1,226,545,536.90 and 491,179,674.20 is: 736,769,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,697,024.60 : 1,226,545,536.90 = 491,179,674.20 : x
  2. Step 2: Convert to fraction form
    817,697,024.60/1,226,545,536.90 = 491,179,674.20/x
  3. Step 3: Cross multiply
    817,697,024.60x = 1,226,545,536.90 × 491,179,674.20
  4. Step 4: Simplify right side
    817,697,024.60x = 602,454,237,206,006,144
  5. Step 5: Solve for x
    x = 602,454,237,206,006,144/817,697,024.60
  6. Step 6: Final answer
    x = 736,769,511.30

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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.