Home / 718,340,786,013.40-1,077,513,974,521.70-173,788,410,102.66

Finding the Fourth Proportional to 718,340,786,013.40, 1,077,513,974,521.70 and 173,788,410,102.66

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Solution

The fourth proportional to 718,340,786,013.40, 1,077,513,974,521.70 and 173,788,410,102.66 is: 260,683,291,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,340,786,013.40 : 1,077,513,974,521.70 = 173,788,410,102.66 : x
  2. Step 2: Convert to fraction form
    718,340,786,013.40/1,077,513,974,521.70 = 173,788,410,102.66/x
  3. Step 3: Cross multiply
    718,340,786,013.40x = 1,077,513,974,521.70 × 173,788,410,102.66
  4. Step 4: Simplify right side
    718,340,786,013.40x = 187,259,440,495,524,331,913,216
  5. Step 5: Solve for x
    x = 187,259,440,495,524,331,913,216/718,340,786,013.40
  6. Step 6: Final answer
    x = 260,683,291,470.56

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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.