Home / 15,551,019,456.58-21,452,500,691.04-9,445,747,358.58

Finding the Fourth Proportional to 15,551,019,456.58, 21,452,500,691.04 and 9,445,747,358.58

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Solution

The fourth proportional to 15,551,019,456.58, 21,452,500,691.04 and 9,445,747,358.58 is: 13,030,329,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,019,456.58 : 21,452,500,691.04 = 9,445,747,358.58 : x
  2. Step 2: Convert to fraction form
    15,551,019,456.58/21,452,500,691.04 = 9,445,747,358.58/x
  3. Step 3: Cross multiply
    15,551,019,456.58x = 21,452,500,691.04 × 9,445,747,358.58
  4. Step 4: Simplify right side
    15,551,019,456.58x = 202,634,901,737,326,706,688
  5. Step 5: Solve for x
    x = 202,634,901,737,326,706,688/15,551,019,456.58
  6. Step 6: Final answer
    x = 13,030,329,124.28

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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.