Home / 808,517,840.10-1,212,776,760.15-801,715,395.30

Finding the Fourth Proportional to 808,517,840.10, 1,212,776,760.15 and 801,715,395.30

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Solution

The fourth proportional to 808,517,840.10, 1,212,776,760.15 and 801,715,395.30 is: 1,202,573,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,517,840.10 : 1,212,776,760.15 = 801,715,395.30 : x
  2. Step 2: Convert to fraction form
    808,517,840.10/1,212,776,760.15 = 801,715,395.30/x
  3. Step 3: Cross multiply
    808,517,840.10x = 1,212,776,760.15 × 801,715,395.30
  4. Step 4: Simplify right side
    808,517,840.10x = 972,301,799,674,310,528
  5. Step 5: Solve for x
    x = 972,301,799,674,310,528/808,517,840.10
  6. Step 6: Final answer
    x = 1,202,573,092.95

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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.