Home / 808,517,876.10-1,212,776,814.15-801,715,431.30

Finding the Fourth Proportional to 808,517,876.10, 1,212,776,814.15 and 801,715,431.30

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Solution

The fourth proportional to 808,517,876.10, 1,212,776,814.15 and 801,715,431.30 is: 1,202,573,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,517,876.10 : 1,212,776,814.15 = 801,715,431.30 : x
  2. Step 2: Convert to fraction form
    808,517,876.10/1,212,776,814.15 = 801,715,431.30/x
  3. Step 3: Cross multiply
    808,517,876.10x = 1,212,776,814.15 × 801,715,431.30
  4. Step 4: Simplify right side
    808,517,876.10x = 972,301,886,626,907,264
  5. Step 5: Solve for x
    x = 972,301,886,626,907,264/808,517,876.10
  6. Step 6: Final answer
    x = 1,202,573,146.95

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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.