Home / 1,205,213,615.64-1,663,102,967.76-676,475,449.65

Finding the Fourth Proportional to 1,205,213,615.64, 1,663,102,967.76 and 676,475,449.65

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Solution

The fourth proportional to 1,205,213,615.64, 1,663,102,967.76 and 676,475,449.65 is: 933,484,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,213,615.64 : 1,663,102,967.76 = 676,475,449.65 : x
  2. Step 2: Convert to fraction form
    1,205,213,615.64/1,663,102,967.76 = 676,475,449.65/x
  3. Step 3: Cross multiply
    1,205,213,615.64x = 1,663,102,967.76 × 676,475,449.65
  4. Step 4: Simplify right side
    1,205,213,615.64x = 1,125,048,327,929,695,360
  5. Step 5: Solve for x
    x = 1,125,048,327,929,695,360/1,205,213,615.64
  6. Step 6: Final answer
    x = 933,484,581.76

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Double scale
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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.