Home / 514,738,019.70-772,107,029.55-164,983,411.58

Finding the Fourth Proportional to 514,738,019.70, 772,107,029.55 and 164,983,411.58

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Solution

The fourth proportional to 514,738,019.70, 772,107,029.55 and 164,983,411.58 is: 247,475,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,738,019.70 : 772,107,029.55 = 164,983,411.58 : x
  2. Step 2: Convert to fraction form
    514,738,019.70/772,107,029.55 = 164,983,411.58/x
  3. Step 3: Cross multiply
    514,738,019.70x = 772,107,029.55 × 164,983,411.58
  4. Step 4: Simplify right side
    514,738,019.70x = 127,384,851,836,198,320
  5. Step 5: Solve for x
    x = 127,384,851,836,198,320/514,738,019.70
  6. Step 6: Final answer
    x = 247,475,117.36

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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.