Home / 347,780,447.80-521,733,657.30-174,821,990.20

Finding the Fourth Proportional to 347,780,447.80, 521,733,657.30 and 174,821,990.20

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Solution

The fourth proportional to 347,780,447.80, 521,733,657.30 and 174,821,990.20 is: 262,264,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,780,447.80 : 521,733,657.30 = 174,821,990.20 : x
  2. Step 2: Convert to fraction form
    347,780,447.80/521,733,657.30 = 174,821,990.20/x
  3. Step 3: Cross multiply
    347,780,447.80x = 521,733,657.30 × 174,821,990.20
  4. Step 4: Simplify right side
    347,780,447.80x = 91,210,516,323,510,752
  5. Step 5: Solve for x
    x = 91,210,516,323,510,752/347,780,447.80
  6. Step 6: Final answer
    x = 262,264,646.85

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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.