Home / 372,916,043.71-558,289,921.06-216,994,651.45

Finding the Fourth Proportional to 372,916,043.71, 558,289,921.06 and 216,994,651.45

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Solution

The fourth proportional to 372,916,043.71, 558,289,921.06 and 216,994,651.45 is: 324,861,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,916,043.71 : 558,289,921.06 = 216,994,651.45 : x
  2. Step 2: Convert to fraction form
    372,916,043.71/558,289,921.06 = 216,994,651.45/x
  3. Step 3: Cross multiply
    372,916,043.71x = 558,289,921.06 × 216,994,651.45
  4. Step 4: Simplify right side
    372,916,043.71x = 121,145,926,828,462,688
  5. Step 5: Solve for x
    x = 121,145,926,828,462,688/372,916,043.71
  6. Step 6: Final answer
    x = 324,861,128.59

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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.