Home / 610,754,417.20-916,131,625.80-368,889,713.20

Finding the Fourth Proportional to 610,754,417.20, 916,131,625.80 and 368,889,713.20

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Solution

The fourth proportional to 610,754,417.20, 916,131,625.80 and 368,889,713.20 is: 553,334,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,754,417.20 : 916,131,625.80 = 368,889,713.20 : x
  2. Step 2: Convert to fraction form
    610,754,417.20/916,131,625.80 = 368,889,713.20/x
  3. Step 3: Cross multiply
    610,754,417.20x = 916,131,625.80 × 368,889,713.20
  4. Step 4: Simplify right side
    610,754,417.20x = 337,951,532,694,811,712
  5. Step 5: Solve for x
    x = 337,951,532,694,811,712/610,754,417.20
  6. Step 6: Final answer
    x = 553,334,569.80

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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.