Home / 1,255,443,338.60-1,882,314,702.30-641,522,695.40

Finding the Fourth Proportional to 1,255,443,338.60, 1,882,314,702.30 and 641,522,695.40

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Solution

The fourth proportional to 1,255,443,338.60, 1,882,314,702.30 and 641,522,695.40 is: 961,849,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,443,338.60 : 1,882,314,702.30 = 641,522,695.40 : x
  2. Step 2: Convert to fraction form
    1,255,443,338.60/1,882,314,702.30 = 641,522,695.40/x
  3. Step 3: Cross multiply
    1,255,443,338.60x = 1,882,314,702.30 × 641,522,695.40
  4. Step 4: Simplify right side
    1,255,443,338.60x = 1,207,547,601,410,544,384
  5. Step 5: Solve for x
    x = 1,207,547,601,410,544,384/1,255,443,338.60
  6. Step 6: Final answer
    x = 961,849,542.93

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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.