Home / 610,754,412.20-916,131,618.30-368,889,708.20

Finding the Fourth Proportional to 610,754,412.20, 916,131,618.30 and 368,889,708.20

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Solution

The fourth proportional to 610,754,412.20, 916,131,618.30 and 368,889,708.20 is: 553,334,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,754,412.20 : 916,131,618.30 = 368,889,708.20 : x
  2. Step 2: Convert to fraction form
    610,754,412.20/916,131,618.30 = 368,889,708.20/x
  3. Step 3: Cross multiply
    610,754,412.20x = 916,131,618.30 × 368,889,708.20
  4. Step 4: Simplify right side
    610,754,412.20x = 337,951,525,347,480,768
  5. Step 5: Solve for x
    x = 337,951,525,347,480,768/610,754,412.20
  6. Step 6: Final answer
    x = 553,334,562.30

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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.