Home / 1,118,996,830.20-1,676,703,654.90-709,319,825.40

Finding the Fourth Proportional to 1,118,996,830.20, 1,676,703,654.90 and 709,319,825.40

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Solution

The fourth proportional to 1,118,996,830.20, 1,676,703,654.90 and 709,319,825.40 is: 1,062,844,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,996,830.20 : 1,676,703,654.90 = 709,319,825.40 : x
  2. Step 2: Convert to fraction form
    1,118,996,830.20/1,676,703,654.90 = 709,319,825.40/x
  3. Step 3: Cross multiply
    1,118,996,830.20x = 1,676,703,654.90 × 709,319,825.40
  4. Step 4: Simplify right side
    1,118,996,830.20x = 1,189,319,143,741,209,856
  5. Step 5: Solve for x
    x = 1,189,319,143,741,209,856/1,118,996,830.20
  6. Step 6: Final answer
    x = 1,062,844,068.58

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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.