Home / 622,982,016.60-934,473,024.90-259,429,133.40

Finding the Fourth Proportional to 622,982,016.60, 934,473,024.90 and 259,429,133.40

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Solution

The fourth proportional to 622,982,016.60, 934,473,024.90 and 259,429,133.40 is: 389,143,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,982,016.60 : 934,473,024.90 = 259,429,133.40 : x
  2. Step 2: Convert to fraction form
    622,982,016.60/934,473,024.90 = 259,429,133.40/x
  3. Step 3: Cross multiply
    622,982,016.60x = 934,473,024.90 × 259,429,133.40
  4. Step 4: Simplify right side
    622,982,016.60x = 242,429,527,035,483,616
  5. Step 5: Solve for x
    x = 242,429,527,035,483,616/622,982,016.60
  6. Step 6: Final answer
    x = 389,143,700.10

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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.