Home / 726,996,853.30-1,090,495,279.95-612,205,597.30

Finding the Fourth Proportional to 726,996,853.30, 1,090,495,279.95 and 612,205,597.30

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Solution

The fourth proportional to 726,996,853.30, 1,090,495,279.95 and 612,205,597.30 is: 918,308,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,996,853.30 : 1,090,495,279.95 = 612,205,597.30 : x
  2. Step 2: Convert to fraction form
    726,996,853.30/1,090,495,279.95 = 612,205,597.30/x
  3. Step 3: Cross multiply
    726,996,853.30x = 1,090,495,279.95 × 612,205,597.30
  4. Step 4: Simplify right side
    726,996,853.30x = 667,607,314,214,620,416
  5. Step 5: Solve for x
    x = 667,607,314,214,620,416/726,996,853.30
  6. Step 6: Final answer
    x = 918,308,395.95

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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.