Home / 445,926,197.40-668,889,296.10-282,667,522.20

Finding the Fourth Proportional to 445,926,197.40, 668,889,296.10 and 282,667,522.20

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Solution

The fourth proportional to 445,926,197.40, 668,889,296.10 and 282,667,522.20 is: 424,001,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,926,197.40 : 668,889,296.10 = 282,667,522.20 : x
  2. Step 2: Convert to fraction form
    445,926,197.40/668,889,296.10 = 282,667,522.20/x
  3. Step 3: Cross multiply
    445,926,197.40x = 668,889,296.10 × 282,667,522.20
  4. Step 4: Simplify right side
    445,926,197.40x = 189,073,279,954,689,120
  5. Step 5: Solve for x
    x = 189,073,279,954,689,120/445,926,197.40
  6. Step 6: Final answer
    x = 424,001,283.30

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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.