Home / 648,068,078.28-894,336,673.56-350,710,334.46

Finding the Fourth Proportional to 648,068,078.28, 894,336,673.56 and 350,710,334.46

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Solution

The fourth proportional to 648,068,078.28, 894,336,673.56 and 350,710,334.46 is: 483,981,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,068,078.28 : 894,336,673.56 = 350,710,334.46 : x
  2. Step 2: Convert to fraction form
    648,068,078.28/894,336,673.56 = 350,710,334.46/x
  3. Step 3: Cross multiply
    648,068,078.28x = 894,336,673.56 × 350,710,334.46
  4. Step 4: Simplify right side
    648,068,078.28x = 313,653,113,904,071,424
  5. Step 5: Solve for x
    x = 313,653,113,904,071,424/648,068,078.28
  6. Step 6: Final answer
    x = 483,981,736.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.