Home / 1,118,996,837.70-1,676,703,666.15-709,319,832.90

Finding the Fourth Proportional to 1,118,996,837.70, 1,676,703,666.15 and 709,319,832.90

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Solution

The fourth proportional to 1,118,996,837.70, 1,676,703,666.15 and 709,319,832.90 is: 1,062,844,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,996,837.70 : 1,676,703,666.15 = 709,319,832.90 : x
  2. Step 2: Convert to fraction form
    1,118,996,837.70/1,676,703,666.15 = 709,319,832.90/x
  3. Step 3: Cross multiply
    1,118,996,837.70x = 1,676,703,666.15 × 709,319,832.90
  4. Step 4: Simplify right side
    1,118,996,837.70x = 1,189,319,164,296,335,360
  5. Step 5: Solve for x
    x = 1,189,319,164,296,335,360/1,118,996,837.70
  6. Step 6: Final answer
    x = 1,062,844,079.83

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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.