Home / 689,242,248.26-1,034,073,980.54-413,200,770.38

Finding the Fourth Proportional to 689,242,248.26, 1,034,073,980.54 and 413,200,770.38

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Solution

The fourth proportional to 689,242,248.26, 1,034,073,980.54 and 413,200,770.38 is: 619,927,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,242,248.26 : 1,034,073,980.54 = 413,200,770.38 : x
  2. Step 2: Convert to fraction form
    689,242,248.26/1,034,073,980.54 = 413,200,770.38/x
  3. Step 3: Cross multiply
    689,242,248.26x = 1,034,073,980.54 × 413,200,770.38
  4. Step 4: Simplify right side
    689,242,248.26x = 427,280,165,387,252,736
  5. Step 5: Solve for x
    x = 427,280,165,387,252,736/689,242,248.26
  6. Step 6: Final answer
    x = 619,927,415.17

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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.