Home / 266,035,708.80-398,381,716.80-174,664,598.40

Finding the Fourth Proportional to 266,035,708.80, 398,381,716.80 and 174,664,598.40

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Solution

The fourth proportional to 266,035,708.80, 398,381,716.80 and 174,664,598.40 is: 261,555,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,035,708.80 : 398,381,716.80 = 174,664,598.40 : x
  2. Step 2: Convert to fraction form
    266,035,708.80/398,381,716.80 = 174,664,598.40/x
  3. Step 3: Cross multiply
    266,035,708.80x = 398,381,716.80 × 174,664,598.40
  4. Step 4: Simplify right side
    266,035,708.80x = 69,583,182,574,774,536
  5. Step 5: Solve for x
    x = 69,583,182,574,774,536/266,035,708.80
  6. Step 6: Final answer
    x = 261,555,799.74

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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.