Home / 675,074,287.30-1,011,018,906.15-417,085,269.70

Finding the Fourth Proportional to 675,074,287.30, 1,011,018,906.15 and 417,085,269.70

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Solution

The fourth proportional to 675,074,287.30, 1,011,018,906.15 and 417,085,269.70 is: 624,643,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,074,287.30 : 1,011,018,906.15 = 417,085,269.70 : x
  2. Step 2: Convert to fraction form
    675,074,287.30/1,011,018,906.15 = 417,085,269.70/x
  3. Step 3: Cross multiply
    675,074,287.30x = 1,011,018,906.15 × 417,085,269.70
  4. Step 4: Simplify right side
    675,074,287.30x = 421,681,093,143,371,712
  5. Step 5: Solve for x
    x = 421,681,093,143,371,712/675,074,287.30
  6. Step 6: Final answer
    x = 624,643,985.23

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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.