Home / 524,304,331.20-786,645,453.60-217,816,401.60

Finding the Fourth Proportional to 524,304,331.20, 786,645,453.60 and 217,816,401.60

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Solution

The fourth proportional to 524,304,331.20, 786,645,453.60 and 217,816,401.60 is: 326,803,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,304,331.20 : 786,645,453.60 = 217,816,401.60 : x
  2. Step 2: Convert to fraction form
    524,304,331.20/786,645,453.60 = 217,816,401.60/x
  3. Step 3: Cross multiply
    524,304,331.20x = 786,645,453.60 × 217,816,401.60
  4. Step 4: Simplify right side
    524,304,331.20x = 171,344,282,038,151,776
  5. Step 5: Solve for x
    x = 171,344,282,038,151,776/524,304,331.20
  6. Step 6: Final answer
    x = 326,803,102.40

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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.