Home / 15,519,913,510.45-21,417,490,027.02-8,383,330,475.15

Finding the Fourth Proportional to 15,519,913,510.45, 21,417,490,027.02 and 8,383,330,475.15

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Solution

The fourth proportional to 15,519,913,510.45, 21,417,490,027.02 and 8,383,330,475.15 is: 11,569,001,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,913,510.45 : 21,417,490,027.02 = 8,383,330,475.15 : x
  2. Step 2: Convert to fraction form
    15,519,913,510.45/21,417,490,027.02 = 8,383,330,475.15/x
  3. Step 3: Cross multiply
    15,519,913,510.45x = 21,417,490,027.02 × 8,383,330,475.15
  4. Step 4: Simplify right side
    15,519,913,510.45x = 179,549,896,844,763,299,840
  5. Step 5: Solve for x
    x = 179,549,896,844,763,299,840/15,519,913,510.45
  6. Step 6: Final answer
    x = 11,569,001,123.87

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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.