Home / 921,678,527.44-1,382,519,191.02-376,420,061.44

Finding the Fourth Proportional to 921,678,527.44, 1,382,519,191.02 and 376,420,061.44

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Solution

The fourth proportional to 921,678,527.44, 1,382,519,191.02 and 376,420,061.44 is: 564,630,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,678,527.44 : 1,382,519,191.02 = 376,420,061.44 : x
  2. Step 2: Convert to fraction form
    921,678,527.44/1,382,519,191.02 = 376,420,061.44/x
  3. Step 3: Cross multiply
    921,678,527.44x = 1,382,519,191.02 × 376,420,061.44
  4. Step 4: Simplify right side
    921,678,527.44x = 520,407,958,825,727,488
  5. Step 5: Solve for x
    x = 520,407,958,825,727,488/921,678,527.44
  6. Step 6: Final answer
    x = 564,630,663.87

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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.