Home / 696,887,573.76-961,717,082.40-379,356,948.72

Finding the Fourth Proportional to 696,887,573.76, 961,717,082.40 and 379,356,948.72

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Solution

The fourth proportional to 696,887,573.76, 961,717,082.40 and 379,356,948.72 is: 523,519,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,887,573.76 : 961,717,082.40 = 379,356,948.72 : x
  2. Step 2: Convert to fraction form
    696,887,573.76/961,717,082.40 = 379,356,948.72/x
  3. Step 3: Cross multiply
    696,887,573.76x = 961,717,082.40 × 379,356,948.72
  4. Step 4: Simplify right side
    696,887,573.76x = 364,834,057,911,164,864
  5. Step 5: Solve for x
    x = 364,834,057,911,164,864/696,887,573.76
  6. Step 6: Final answer
    x = 523,519,247.08

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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.