Home / 776,414,586.72-1,071,590,527.44-458,861,869.20

Finding the Fourth Proportional to 776,414,586.72, 1,071,590,527.44 and 458,861,869.20

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Solution

The fourth proportional to 776,414,586.72, 1,071,590,527.44 and 458,861,869.20 is: 633,311,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,414,586.72 : 1,071,590,527.44 = 458,861,869.20 : x
  2. Step 2: Convert to fraction form
    776,414,586.72/1,071,590,527.44 = 458,861,869.20/x
  3. Step 3: Cross multiply
    776,414,586.72x = 1,071,590,527.44 × 458,861,869.20
  4. Step 4: Simplify right side
    776,414,586.72x = 491,712,032,438,132,288
  5. Step 5: Solve for x
    x = 491,712,032,438,132,288/776,414,586.72
  6. Step 6: Final answer
    x = 633,311,172.73

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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.