Home / 1,177,922,025.65-1,766,867,904.07-391,337,364.11

Finding the Fourth Proportional to 1,177,922,025.65, 1,766,867,904.07 and 391,337,364.11

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Solution

The fourth proportional to 1,177,922,025.65, 1,766,867,904.07 and 391,337,364.11 is: 587,001,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,922,025.65 : 1,766,867,904.07 = 391,337,364.11 : x
  2. Step 2: Convert to fraction form
    1,177,922,025.65/1,766,867,904.07 = 391,337,364.11/x
  3. Step 3: Cross multiply
    1,177,922,025.65x = 1,766,867,904.07 × 391,337,364.11
  4. Step 4: Simplify right side
    1,177,922,025.65x = 691,441,428,299,501,568
  5. Step 5: Solve for x
    x = 691,441,428,299,501,568/1,177,922,025.65
  6. Step 6: Final answer
    x = 587,001,018.10

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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.