Home / 608,608,777.06-912,951,035.38-220,434,970.45

Finding the Fourth Proportional to 608,608,777.06, 912,951,035.38 and 220,434,970.45

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Solution

The fourth proportional to 608,608,777.06, 912,951,035.38 and 220,434,970.45 is: 330,666,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,608,777.06 : 912,951,035.38 = 220,434,970.45 : x
  2. Step 2: Convert to fraction form
    608,608,777.06/912,951,035.38 = 220,434,970.45/x
  3. Step 3: Cross multiply
    608,608,777.06x = 912,951,035.38 × 220,434,970.45
  4. Step 4: Simplify right side
    608,608,777.06x = 201,246,334,506,287,200
  5. Step 5: Solve for x
    x = 201,246,334,506,287,200/608,608,777.06
  6. Step 6: Final answer
    x = 330,666,171.92

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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.