Home / 646,563,233.80-969,844,850.70-186,516,411.40

Finding the Fourth Proportional to 646,563,233.80, 969,844,850.70 and 186,516,411.40

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Solution

The fourth proportional to 646,563,233.80, 969,844,850.70 and 186,516,411.40 is: 279,774,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,563,233.80 : 969,844,850.70 = 186,516,411.40 : x
  2. Step 2: Convert to fraction form
    646,563,233.80/969,844,850.70 = 186,516,411.40/x
  3. Step 3: Cross multiply
    646,563,233.80x = 969,844,850.70 × 186,516,411.40
  4. Step 4: Simplify right side
    646,563,233.80x = 180,891,981,167,332,800
  5. Step 5: Solve for x
    x = 180,891,981,167,332,800/646,563,233.80
  6. Step 6: Final answer
    x = 279,774,617.10

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Similar ratio
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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.