Home / 436,735,124.20-655,102,686.30-207,152,612.20

Finding the Fourth Proportional to 436,735,124.20, 655,102,686.30 and 207,152,612.20

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Solution

The fourth proportional to 436,735,124.20, 655,102,686.30 and 207,152,612.20 is: 310,728,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,735,124.20 : 655,102,686.30 = 207,152,612.20 : x
  2. Step 2: Convert to fraction form
    436,735,124.20/655,102,686.30 = 207,152,612.20/x
  3. Step 3: Cross multiply
    436,735,124.20x = 655,102,686.30 × 207,152,612.20
  4. Step 4: Simplify right side
    436,735,124.20x = 135,706,232,726,282,128
  5. Step 5: Solve for x
    x = 135,706,232,726,282,128/436,735,124.20
  6. Step 6: Final answer
    x = 310,728,918.30

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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.