Home / 1,147,968,680.90-1,584,246,947.70-646,209,841.76

Finding the Fourth Proportional to 1,147,968,680.90, 1,584,246,947.70 and 646,209,841.76

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Solution

The fourth proportional to 1,147,968,680.90, 1,584,246,947.70 and 646,209,841.76 is: 891,797,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,968,680.90 : 1,584,246,947.70 = 646,209,841.76 : x
  2. Step 2: Convert to fraction form
    1,147,968,680.90/1,584,246,947.70 = 646,209,841.76/x
  3. Step 3: Cross multiply
    1,147,968,680.90x = 1,584,246,947.70 × 646,209,841.76
  4. Step 4: Simplify right side
    1,147,968,680.90x = 1,023,755,969,381,980,032
  5. Step 5: Solve for x
    x = 1,023,755,969,381,980,032/1,147,968,680.90
  6. Step 6: Final answer
    x = 891,797,822.03

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Double scale
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1.5x scale

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.