Home / 838,159,258.60-1,156,685,983.52-480,992,377.13

Finding the Fourth Proportional to 838,159,258.60, 1,156,685,983.52 and 480,992,377.13

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Solution

The fourth proportional to 838,159,258.60, 1,156,685,983.52 and 480,992,377.13 is: 663,784,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,159,258.60 : 1,156,685,983.52 = 480,992,377.13 : x
  2. Step 2: Convert to fraction form
    838,159,258.60/1,156,685,983.52 = 480,992,377.13/x
  3. Step 3: Cross multiply
    838,159,258.60x = 1,156,685,983.52 × 480,992,377.13
  4. Step 4: Simplify right side
    838,159,258.60x = 556,357,140,806,236,800
  5. Step 5: Solve for x
    x = 556,357,140,806,236,800/838,159,258.60
  6. Step 6: Final answer
    x = 663,784,519.59

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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.