Home / 674,181,406.71-1,011,272,112.50-189,507,214.71

Finding the Fourth Proportional to 674,181,406.71, 1,011,272,112.50 and 189,507,214.71

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Solution

The fourth proportional to 674,181,406.71, 1,011,272,112.50 and 189,507,214.71 is: 284,260,822.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,181,406.71 : 1,011,272,112.50 = 189,507,214.71 : x
  2. Step 2: Convert to fraction form
    674,181,406.71/1,011,272,112.50 = 189,507,214.71/x
  3. Step 3: Cross multiply
    674,181,406.71x = 1,011,272,112.50 × 189,507,214.71
  4. Step 4: Simplify right side
    674,181,406.71x = 191,643,361,352,825,248
  5. Step 5: Solve for x
    x = 191,643,361,352,825,248/674,181,406.71
  6. Step 6: Final answer
    x = 284,260,822.75

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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.