Home / 513,545,612.32-769,839,185.88-202,655,802.74

Finding the Fourth Proportional to 513,545,612.32, 769,839,185.88 and 202,655,802.74

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Solution

The fourth proportional to 513,545,612.32, 769,839,185.88 and 202,655,802.74 is: 303,794,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,545,612.32 : 769,839,185.88 = 202,655,802.74 : x
  2. Step 2: Convert to fraction form
    513,545,612.32/769,839,185.88 = 202,655,802.74/x
  3. Step 3: Cross multiply
    513,545,612.32x = 769,839,185.88 × 202,655,802.74
  4. Step 4: Simplify right side
    513,545,612.32x = 156,012,378,195,219,488
  5. Step 5: Solve for x
    x = 156,012,378,195,219,488/513,545,612.32
  6. Step 6: Final answer
    x = 303,794,588.94

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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.