Home / 198,795,300,631.23-298,234,881,642.66-64,479,359,330.51

Finding the Fourth Proportional to 198,795,300,631.23, 298,234,881,642.66 and 64,479,359,330.51

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Solution

The fourth proportional to 198,795,300,631.23, 298,234,881,642.66 and 64,479,359,330.51 is: 96,732,639,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,795,300,631.23 : 298,234,881,642.66 = 64,479,359,330.51 : x
  2. Step 2: Convert to fraction form
    198,795,300,631.23/298,234,881,642.66 = 64,479,359,330.51/x
  3. Step 3: Cross multiply
    198,795,300,631.23x = 298,234,881,642.66 × 64,479,359,330.51
  4. Step 4: Simplify right side
    198,795,300,631.23x = 19,229,994,098,327,700,897,792
  5. Step 5: Solve for x
    x = 19,229,994,098,327,700,897,792/198,795,300,631.23
  6. Step 6: Final answer
    x = 96,732,639,238.79

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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.