Home / 440,933,368.42-608,178,253.77-290,177,992.34

Finding the Fourth Proportional to 440,933,368.42, 608,178,253.77 and 290,177,992.34

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Solution

The fourth proportional to 440,933,368.42, 608,178,253.77 and 290,177,992.34 is: 400,241,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,933,368.42 : 608,178,253.77 = 290,177,992.34 : x
  2. Step 2: Convert to fraction form
    440,933,368.42/608,178,253.77 = 290,177,992.34/x
  3. Step 3: Cross multiply
    440,933,368.42x = 608,178,253.77 × 290,177,992.34
  4. Step 4: Simplify right side
    440,933,368.42x = 176,479,944,663,825,600
  5. Step 5: Solve for x
    x = 176,479,944,663,825,600/440,933,368.42
  6. Step 6: Final answer
    x = 400,241,753.75

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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.