Home / 880,925,708.26-1,215,709,440.74-504,655,017.52

Finding the Fourth Proportional to 880,925,708.26, 1,215,709,440.74 and 504,655,017.52

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Solution

The fourth proportional to 880,925,708.26, 1,215,709,440.74 and 504,655,017.52 is: 696,442,234.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,925,708.26 : 1,215,709,440.74 = 504,655,017.52 : x
  2. Step 2: Convert to fraction form
    880,925,708.26/1,215,709,440.74 = 504,655,017.52/x
  3. Step 3: Cross multiply
    880,925,708.26x = 1,215,709,440.74 × 504,655,017.52
  4. Step 4: Simplify right side
    880,925,708.26x = 613,513,869,116,390,016
  5. Step 5: Solve for x
    x = 613,513,869,116,390,016/880,925,708.26
  6. Step 6: Final answer
    x = 696,442,234.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.