Home / 766,369,898.10-1,149,554,847.15-443,883,626.10

Finding the Fourth Proportional to 766,369,898.10, 1,149,554,847.15 and 443,883,626.10

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Solution

The fourth proportional to 766,369,898.10, 1,149,554,847.15 and 443,883,626.10 is: 665,825,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,369,898.10 : 1,149,554,847.15 = 443,883,626.10 : x
  2. Step 2: Convert to fraction form
    766,369,898.10/1,149,554,847.15 = 443,883,626.10/x
  3. Step 3: Cross multiply
    766,369,898.10x = 1,149,554,847.15 × 443,883,626.10
  4. Step 4: Simplify right side
    766,369,898.10x = 510,268,573,953,773,312
  5. Step 5: Solve for x
    x = 510,268,573,953,773,312/766,369,898.10
  6. Step 6: Final answer
    x = 665,825,439.15

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Double scale
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1.5x scale

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.