Home / 1,778,472,391.59-2,454,306,522.46-985,531,612.86

Finding the Fourth Proportional to 1,778,472,391.59, 2,454,306,522.46 and 985,531,612.86

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Solution

The fourth proportional to 1,778,472,391.59, 2,454,306,522.46 and 985,531,612.86 is: 1,360,041,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,472,391.59 : 2,454,306,522.46 = 985,531,612.86 : x
  2. Step 2: Convert to fraction form
    1,778,472,391.59/2,454,306,522.46 = 985,531,612.86/x
  3. Step 3: Cross multiply
    1,778,472,391.59x = 2,454,306,522.46 × 985,531,612.86
  4. Step 4: Simplify right side
    1,778,472,391.59x = 2,418,796,665,530,357,760
  5. Step 5: Solve for x
    x = 2,418,796,665,530,357,760/1,778,472,391.59
  6. Step 6: Final answer
    x = 1,360,041,728.49

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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.