Home / 667,154,059.39-920,671,008.10-365,738,832.55

Finding the Fourth Proportional to 667,154,059.39, 920,671,008.10 and 365,738,832.55

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Solution

The fourth proportional to 667,154,059.39, 920,671,008.10 and 365,738,832.55 is: 504,718,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,154,059.39 : 920,671,008.10 = 365,738,832.55 : x
  2. Step 2: Convert to fraction form
    667,154,059.39/920,671,008.10 = 365,738,832.55/x
  3. Step 3: Cross multiply
    667,154,059.39x = 920,671,008.10 × 365,738,832.55
  4. Step 4: Simplify right side
    667,154,059.39x = 336,725,139,665,125,632
  5. Step 5: Solve for x
    x = 336,725,139,665,125,632/667,154,059.39
  6. Step 6: Final answer
    x = 504,718,715.15

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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.