Home / 718,340,786,011.92-1,077,513,974,519.40-173,788,410,101.22

Finding the Fourth Proportional to 718,340,786,011.92, 1,077,513,974,519.40 and 173,788,410,101.22

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Solution

The fourth proportional to 718,340,786,011.92, 1,077,513,974,519.40 and 173,788,410,101.22 is: 260,683,291,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,340,786,011.92 : 1,077,513,974,519.40 = 173,788,410,101.22 : x
  2. Step 2: Convert to fraction form
    718,340,786,011.92/1,077,513,974,519.40 = 173,788,410,101.22/x
  3. Step 3: Cross multiply
    718,340,786,011.92x = 1,077,513,974,519.40 × 173,788,410,101.22
  4. Step 4: Simplify right side
    718,340,786,011.92x = 187,259,440,493,573,007,474,688
  5. Step 5: Solve for x
    x = 187,259,440,493,573,007,474,688/718,340,786,011.92
  6. Step 6: Final answer
    x = 260,683,291,468.38

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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.