Home / 349,486,097.31-523,922,063.76-142,398,646.29

Finding the Fourth Proportional to 349,486,097.31, 523,922,063.76 and 142,398,646.29

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Solution

The fourth proportional to 349,486,097.31, 523,922,063.76 and 142,398,646.29 is: 213,472,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,486,097.31 : 523,922,063.76 = 142,398,646.29 : x
  2. Step 2: Convert to fraction form
    349,486,097.31/523,922,063.76 = 142,398,646.29/x
  3. Step 3: Cross multiply
    349,486,097.31x = 523,922,063.76 × 142,398,646.29
  4. Step 4: Simplify right side
    349,486,097.31x = 74,605,792,640,887,056
  5. Step 5: Solve for x
    x = 74,605,792,640,887,056/349,486,097.31
  6. Step 6: Final answer
    x = 213,472,848.32

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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.