Home / 807,145,863,063.32-1,210,719,959,838.10-329,615,161,184.53

Finding the Fourth Proportional to 807,145,863,063.32, 1,210,719,959,838.10 and 329,615,161,184.53

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Solution

The fourth proportional to 807,145,863,063.32, 1,210,719,959,838.10 and 329,615,161,184.53 is: 494,423,217,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145,863,063.32 : 1,210,719,959,838.10 = 329,615,161,184.53 : x
  2. Step 2: Convert to fraction form
    807,145,863,063.32/1,210,719,959,838.10 = 329,615,161,184.53/x
  3. Step 3: Cross multiply
    807,145,863,063.32x = 1,210,719,959,838.10 × 329,615,161,184.53
  4. Step 4: Simplify right side
    807,145,863,063.32x = 399,071,654,711,363,098,378,240
  5. Step 5: Solve for x
    x = 399,071,654,711,363,098,378,240/807,145,863,063.32
  6. Step 6: Final answer
    x = 494,423,217,628.58

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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.