Home / 416,099,700.65-573,999,885.08-257,279,054.66

Finding the Fourth Proportional to 416,099,700.65, 573,999,885.08 and 257,279,054.66

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Solution

The fourth proportional to 416,099,700.65, 573,999,885.08 and 257,279,054.66 is: 354,910,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,099,700.65 : 573,999,885.08 = 257,279,054.66 : x
  2. Step 2: Convert to fraction form
    416,099,700.65/573,999,885.08 = 257,279,054.66/x
  3. Step 3: Cross multiply
    416,099,700.65x = 573,999,885.08 × 257,279,054.66
  4. Step 4: Simplify right side
    416,099,700.65x = 147,678,147,808,331,040
  5. Step 5: Solve for x
    x = 147,678,147,808,331,040/416,099,700.65
  6. Step 6: Final answer
    x = 354,910,487.99

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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.