Home / 868,900,095.30-1,199,123,125.29-492,563,977.03

Finding the Fourth Proportional to 868,900,095.30, 1,199,123,125.29 and 492,563,977.03

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Solution

The fourth proportional to 868,900,095.30, 1,199,123,125.29 and 492,563,977.03 is: 679,761,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,900,095.30 : 1,199,123,125.29 = 492,563,977.03 : x
  2. Step 2: Convert to fraction form
    868,900,095.30/1,199,123,125.29 = 492,563,977.03/x
  3. Step 3: Cross multiply
    868,900,095.30x = 1,199,123,125.29 × 492,563,977.03
  4. Step 4: Simplify right side
    868,900,095.30x = 590,644,855,541,485,312
  5. Step 5: Solve for x
    x = 590,644,855,541,485,312/868,900,095.30
  6. Step 6: Final answer
    x = 679,761,526.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.