Home / 756,165,074,487.70-1,043,510,946,751.80-408,935,353,376.30

Finding the Fourth Proportional to 756,165,074,487.70, 1,043,510,946,751.80 and 408,935,353,376.30

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Solution

The fourth proportional to 756,165,074,487.70, 1,043,510,946,751.80 and 408,935,353,376.30 is: 564,332,487,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,165,074,487.70 : 1,043,510,946,751.80 = 408,935,353,376.30 : x
  2. Step 2: Convert to fraction form
    756,165,074,487.70/1,043,510,946,751.80 = 408,935,353,376.30/x
  3. Step 3: Cross multiply
    756,165,074,487.70x = 1,043,510,946,751.80 × 408,935,353,376.30
  4. Step 4: Simplify right side
    756,165,074,487.70x = 426,728,517,761,984,718,962,688
  5. Step 5: Solve for x
    x = 426,728,517,761,984,718,962,688/756,165,074,487.70
  6. Step 6: Final answer
    x = 564,332,487,917.53

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Double scale
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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.