Home / 20,723,159,025.30-28,597,959,233.49-11,207,710,774.71

Finding the Fourth Proportional to 20,723,159,025.30, 28,597,959,233.49 and 11,207,710,774.71

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Solution

The fourth proportional to 20,723,159,025.30, 28,597,959,233.49 and 11,207,710,774.71 is: 15,466,640,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,159,025.30 : 28,597,959,233.49 = 11,207,710,774.71 : x
  2. Step 2: Convert to fraction form
    20,723,159,025.30/28,597,959,233.49 = 11,207,710,774.71/x
  3. Step 3: Cross multiply
    20,723,159,025.30x = 28,597,959,233.49 × 11,207,710,774.71
  4. Step 4: Simplify right side
    20,723,159,025.30x = 320,517,655,835,726,577,664
  5. Step 5: Solve for x
    x = 320,517,655,835,726,577,664/20,723,159,025.30
  6. Step 6: Final answer
    x = 15,466,640,749.34

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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.