Home / 434,682,740.80-652,024,111.20-391,684,571.20

Finding the Fourth Proportional to 434,682,740.80, 652,024,111.20 and 391,684,571.20

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Solution

The fourth proportional to 434,682,740.80, 652,024,111.20 and 391,684,571.20 is: 587,526,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,682,740.80 : 652,024,111.20 = 391,684,571.20 : x
  2. Step 2: Convert to fraction form
    434,682,740.80/652,024,111.20 = 391,684,571.20/x
  3. Step 3: Cross multiply
    434,682,740.80x = 652,024,111.20 × 391,684,571.20
  4. Step 4: Simplify right side
    434,682,740.80x = 255,387,784,407,433,120
  5. Step 5: Solve for x
    x = 255,387,784,407,433,120/434,682,740.80
  6. Step 6: Final answer
    x = 587,526,856.80

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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.