Home / 1,302,098,386.45-1,797,049,819.13-773,464,461.09

Finding the Fourth Proportional to 1,302,098,386.45, 1,797,049,819.13 and 773,464,461.09

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Solution

The fourth proportional to 1,302,098,386.45, 1,797,049,819.13 and 773,464,461.09 is: 1,067,472,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,098,386.45 : 1,797,049,819.13 = 773,464,461.09 : x
  2. Step 2: Convert to fraction form
    1,302,098,386.45/1,797,049,819.13 = 773,464,461.09/x
  3. Step 3: Cross multiply
    1,302,098,386.45x = 1,797,049,819.13 × 773,464,461.09
  4. Step 4: Simplify right side
    1,302,098,386.45x = 1,389,954,169,905,267,456
  5. Step 5: Solve for x
    x = 1,389,954,169,905,267,456/1,302,098,386.45
  6. Step 6: Final answer
    x = 1,067,472,461.66

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Double scale
Find fourth proportional to 1,302,098,387.45, 1,797,049,820.51 and 773,464,462.09
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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.