Home / 727,596,358.74-1,091,399,262.03-290,933,727.66

Finding the Fourth Proportional to 727,596,358.74, 1,091,399,262.03 and 290,933,727.66

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Solution

The fourth proportional to 727,596,358.74, 1,091,399,262.03 and 290,933,727.66 is: 436,402,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,596,358.74 : 1,091,399,262.03 = 290,933,727.66 : x
  2. Step 2: Convert to fraction form
    727,596,358.74/1,091,399,262.03 = 290,933,727.66/x
  3. Step 3: Cross multiply
    727,596,358.74x = 1,091,399,262.03 × 290,933,727.66
  4. Step 4: Simplify right side
    727,596,358.74x = 317,524,855,667,761,024
  5. Step 5: Solve for x
    x = 317,524,855,667,761,024/727,596,358.74
  6. Step 6: Final answer
    x = 436,402,480.38

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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.