Home / 1,690,255,083.88-2,332,507,008.70-975,766,523.88

Finding the Fourth Proportional to 1,690,255,083.88, 2,332,507,008.70 and 975,766,523.88

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Solution

The fourth proportional to 1,690,255,083.88, 2,332,507,008.70 and 975,766,523.88 is: 1,346,531,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,255,083.88 : 2,332,507,008.70 = 975,766,523.88 : x
  2. Step 2: Convert to fraction form
    1,690,255,083.88/2,332,507,008.70 = 975,766,523.88/x
  3. Step 3: Cross multiply
    1,690,255,083.88x = 2,332,507,008.70 × 975,766,523.88
  4. Step 4: Simplify right side
    1,690,255,083.88x = 2,275,982,255,804,935,680
  5. Step 5: Solve for x
    x = 2,275,982,255,804,935,680/1,690,255,083.88
  6. Step 6: Final answer
    x = 1,346,531,820.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.