Home / 440,933,366.34-608,178,250.80-290,177,990.19

Finding the Fourth Proportional to 440,933,366.34, 608,178,250.80 and 290,177,990.19

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Solution

The fourth proportional to 440,933,366.34, 608,178,250.80 and 290,177,990.19 is: 400,241,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,933,366.34 : 608,178,250.80 = 290,177,990.19 : x
  2. Step 2: Convert to fraction form
    440,933,366.34/608,178,250.80 = 290,177,990.19/x
  3. Step 3: Cross multiply
    440,933,366.34x = 608,178,250.80 × 290,177,990.19
  4. Step 4: Simplify right side
    440,933,366.34x = 176,479,942,494,413,760
  5. Step 5: Solve for x
    x = 176,479,942,494,413,760/440,933,366.34
  6. Step 6: Final answer
    x = 400,241,750.72

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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.