Home / 756,165,074,487.50-1,043,510,946,751.50-408,935,353,376.10

Finding the Fourth Proportional to 756,165,074,487.50, 1,043,510,946,751.50 and 408,935,353,376.10

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Solution

The fourth proportional to 756,165,074,487.50, 1,043,510,946,751.50 and 408,935,353,376.10 is: 564,332,487,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,165,074,487.50 : 1,043,510,946,751.50 = 408,935,353,376.10 : x
  2. Step 2: Convert to fraction form
    756,165,074,487.50/1,043,510,946,751.50 = 408,935,353,376.10/x
  3. Step 3: Cross multiply
    756,165,074,487.50x = 1,043,510,946,751.50 × 408,935,353,376.10
  4. Step 4: Simplify right side
    756,165,074,487.50x = 426,728,517,761,653,268,283,392
  5. Step 5: Solve for x
    x = 426,728,517,761,653,268,283,392/756,165,074,487.50
  6. Step 6: Final answer
    x = 564,332,487,917.24

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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.