Home / 831,088,082.39-1,146,900,945.06-454,747,141.35

Finding the Fourth Proportional to 831,088,082.39, 1,146,900,945.06 and 454,747,141.35

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Solution

The fourth proportional to 831,088,082.39, 1,146,900,945.06 and 454,747,141.35 is: 627,550,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,088,082.39 : 1,146,900,945.06 = 454,747,141.35 : x
  2. Step 2: Convert to fraction form
    831,088,082.39/1,146,900,945.06 = 454,747,141.35/x
  3. Step 3: Cross multiply
    831,088,082.39x = 1,146,900,945.06 × 454,747,141.35
  4. Step 4: Simplify right side
    831,088,082.39x = 521,549,926,177,648,384
  5. Step 5: Solve for x
    x = 521,549,926,177,648,384/831,088,082.39
  6. Step 6: Final answer
    x = 627,550,722.04

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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.