Home / 10,921,372,256.20-16,382,058,384.30-10,812,533,139.40

Finding the Fourth Proportional to 10,921,372,256.20, 16,382,058,384.30 and 10,812,533,139.40

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Solution

The fourth proportional to 10,921,372,256.20, 16,382,058,384.30 and 10,812,533,139.40 is: 16,218,799,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,372,256.20 : 16,382,058,384.30 = 10,812,533,139.40 : x
  2. Step 2: Convert to fraction form
    10,921,372,256.20/16,382,058,384.30 = 10,812,533,139.40/x
  3. Step 3: Cross multiply
    10,921,372,256.20x = 16,382,058,384.30 × 10,812,533,139.40
  4. Step 4: Simplify right side
    10,921,372,256.20x = 177,131,549,171,829,342,208
  5. Step 5: Solve for x
    x = 177,131,549,171,829,342,208/10,921,372,256.20
  6. Step 6: Final answer
    x = 16,218,799,709.10

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Double scale
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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.