Home / 386,177,819.02-532,943,609.70-218,917,322.01

Finding the Fourth Proportional to 386,177,819.02, 532,943,609.70 and 218,917,322.01

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Solution

The fourth proportional to 386,177,819.02, 532,943,609.70 and 218,917,322.01 is: 302,116,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,177,819.02 : 532,943,609.70 = 218,917,322.01 : x
  2. Step 2: Convert to fraction form
    386,177,819.02/532,943,609.70 = 218,917,322.01/x
  3. Step 3: Cross multiply
    386,177,819.02x = 532,943,609.70 × 218,917,322.01
  4. Step 4: Simplify right side
    386,177,819.02x = 116,670,587,818,687,600
  5. Step 5: Solve for x
    x = 116,670,587,818,687,600/386,177,819.02
  6. Step 6: Final answer
    x = 302,116,232.66

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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.