Home / 580,896,004.40-871,344,006.60-212,430,244.40

Finding the Fourth Proportional to 580,896,004.40, 871,344,006.60 and 212,430,244.40

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Solution

The fourth proportional to 580,896,004.40, 871,344,006.60 and 212,430,244.40 is: 318,645,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,896,004.40 : 871,344,006.60 = 212,430,244.40 : x
  2. Step 2: Convert to fraction form
    580,896,004.40/871,344,006.60 = 212,430,244.40/x
  3. Step 3: Cross multiply
    580,896,004.40x = 871,344,006.60 × 212,430,244.40
  4. Step 4: Simplify right side
    580,896,004.40x = 185,099,820,278,513,216
  5. Step 5: Solve for x
    x = 185,099,820,278,513,216/580,896,004.40
  6. Step 6: Final answer
    x = 318,645,366.60

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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.