Home / 739,712,004.40-1,109,568,006.60-376,914,948.40

Finding the Fourth Proportional to 739,712,004.40, 1,109,568,006.60 and 376,914,948.40

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Solution

The fourth proportional to 739,712,004.40, 1,109,568,006.60 and 376,914,948.40 is: 565,372,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,712,004.40 : 1,109,568,006.60 = 376,914,948.40 : x
  2. Step 2: Convert to fraction form
    739,712,004.40/1,109,568,006.60 = 376,914,948.40/x
  3. Step 3: Cross multiply
    739,712,004.40x = 1,109,568,006.60 × 376,914,948.40
  4. Step 4: Simplify right side
    739,712,004.40x = 418,212,767,953,929,792
  5. Step 5: Solve for x
    x = 418,212,767,953,929,792/739,712,004.40
  6. Step 6: Final answer
    x = 565,372,422.60

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Double scale
Find fourth proportional to 739,712,005.40, 1,109,568,008.10 and 376,914,949.40
Similar ratio
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1.5x scale

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.