Home / 999,330,848.12-1,376,612,446.92-850,174,253.48

Finding the Fourth Proportional to 999,330,848.12, 1,376,612,446.92 and 850,174,253.48

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Solution

The fourth proportional to 999,330,848.12, 1,376,612,446.92 and 850,174,253.48 is: 1,171,144,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,330,848.12 : 1,376,612,446.92 = 850,174,253.48 : x
  2. Step 2: Convert to fraction form
    999,330,848.12/1,376,612,446.92 = 850,174,253.48/x
  3. Step 3: Cross multiply
    999,330,848.12x = 1,376,612,446.92 × 850,174,253.48
  4. Step 4: Simplify right side
    999,330,848.12x = 1,170,360,459,391,487,232
  5. Step 5: Solve for x
    x = 1,170,360,459,391,487,232/999,330,848.12
  6. Step 6: Final answer
    x = 1,171,144,132.69

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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.