Home / 646,563,204.80-969,844,807.20-186,516,382.40

Finding the Fourth Proportional to 646,563,204.80, 969,844,807.20 and 186,516,382.40

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Solution

The fourth proportional to 646,563,204.80, 969,844,807.20 and 186,516,382.40 is: 279,774,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,563,204.80 : 969,844,807.20 = 186,516,382.40 : x
  2. Step 2: Convert to fraction form
    646,563,204.80/969,844,807.20 = 186,516,382.40/x
  3. Step 3: Cross multiply
    646,563,204.80x = 969,844,807.20 × 186,516,382.40
  4. Step 4: Simplify right side
    646,563,204.80x = 180,891,944,928,369,472
  5. Step 5: Solve for x
    x = 180,891,944,928,369,472/646,563,204.80
  6. Step 6: Final answer
    x = 279,774,573.60

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Similar ratio
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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.