Home / 1,146,612,764.68-1,582,300,805.82-663,825,071.74

Finding the Fourth Proportional to 1,146,612,764.68, 1,582,300,805.82 and 663,825,071.74

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Solution

The fourth proportional to 1,146,612,764.68, 1,582,300,805.82 and 663,825,071.74 is: 916,064,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,612,764.68 : 1,582,300,805.82 = 663,825,071.74 : x
  2. Step 2: Convert to fraction form
    1,146,612,764.68/1,582,300,805.82 = 663,825,071.74/x
  3. Step 3: Cross multiply
    1,146,612,764.68x = 1,582,300,805.82 × 663,825,071.74
  4. Step 4: Simplify right side
    1,146,612,764.68x = 1,050,370,945,937,721,344
  5. Step 5: Solve for x
    x = 1,050,370,945,937,721,344/1,146,612,764.68
  6. Step 6: Final answer
    x = 916,064,235.72

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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.