Home / 40,424,045,491.79-55,781,439,112.50-22,359,172,898.78

Finding the Fourth Proportional to 40,424,045,491.79, 55,781,439,112.50 and 22,359,172,898.78

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Solution

The fourth proportional to 40,424,045,491.79, 55,781,439,112.50 and 22,359,172,898.78 is: 30,853,587,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424,045,491.79 : 55,781,439,112.50 = 22,359,172,898.78 : x
  2. Step 2: Convert to fraction form
    40,424,045,491.79/55,781,439,112.50 = 22,359,172,898.78/x
  3. Step 3: Cross multiply
    40,424,045,491.79x = 55,781,439,112.50 × 22,359,172,898.78
  4. Step 4: Simplify right side
    40,424,045,491.79x = 1,247,226,841,659,156,725,760
  5. Step 5: Solve for x
    x = 1,247,226,841,659,156,725,760/40,424,045,491.79
  6. Step 6: Final answer
    x = 30,853,587,919.90

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Double scale
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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.