Home / 1,376,960,848.79-1,900,150,512.50-750,415,791.83

Finding the Fourth Proportional to 1,376,960,848.79, 1,900,150,512.50 and 750,415,791.83

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Solution

The fourth proportional to 1,376,960,848.79, 1,900,150,512.50 and 750,415,791.83 is: 1,035,543,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,960,848.79 : 1,900,150,512.50 = 750,415,791.83 : x
  2. Step 2: Convert to fraction form
    1,376,960,848.79/1,900,150,512.50 = 750,415,791.83/x
  3. Step 3: Cross multiply
    1,376,960,848.79x = 1,900,150,512.50 × 750,415,791.83
  4. Step 4: Simplify right side
    1,376,960,848.79x = 1,425,902,951,426,243,328
  5. Step 5: Solve for x
    x = 1,425,902,951,426,243,328/1,376,960,848.79
  6. Step 6: Final answer
    x = 1,035,543,568.78

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1.5x scale

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.