Home / 918,529,785.60-1,377,790,746.02-254,541,908.69

Finding the Fourth Proportional to 918,529,785.60, 1,377,790,746.02 and 254,541,908.69

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Solution

The fourth proportional to 918,529,785.60, 1,377,790,746.02 and 254,541,908.69 is: 381,811,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,529,785.60 : 1,377,790,746.02 = 254,541,908.69 : x
  2. Step 2: Convert to fraction form
    918,529,785.60/1,377,790,746.02 = 254,541,908.69/x
  3. Step 3: Cross multiply
    918,529,785.60x = 1,377,790,746.02 × 254,541,908.69
  4. Step 4: Simplify right side
    918,529,785.60x = 350,705,486,269,521,600
  5. Step 5: Solve for x
    x = 350,705,486,269,521,600/918,529,785.60
  6. Step 6: Final answer
    x = 381,811,773.30

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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.