Home / 23,133,555,876.62-31,928,885,445.58-15,005,432,401.68

Finding the Fourth Proportional to 23,133,555,876.62, 31,928,885,445.58 and 15,005,432,401.68

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Solution

The fourth proportional to 23,133,555,876.62, 31,928,885,445.58 and 15,005,432,401.68 is: 20,710,466,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,555,876.62 : 31,928,885,445.58 = 15,005,432,401.68 : x
  2. Step 2: Convert to fraction form
    23,133,555,876.62/31,928,885,445.58 = 15,005,432,401.68/x
  3. Step 3: Cross multiply
    23,133,555,876.62x = 31,928,885,445.58 × 15,005,432,401.68
  4. Step 4: Simplify right side
    23,133,555,876.62x = 479,106,732,214,635,134,976
  5. Step 5: Solve for x
    x = 479,106,732,214,635,134,976/23,133,555,876.62
  6. Step 6: Final answer
    x = 20,710,466,422.45

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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.