Home / 452,355,261.40-678,144,275.14-157,212,034.80

Finding the Fourth Proportional to 452,355,261.40, 678,144,275.14 and 157,212,034.80

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Solution

The fourth proportional to 452,355,261.40, 678,144,275.14 and 157,212,034.80 is: 235,682,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,355,261.40 : 678,144,275.14 = 157,212,034.80 : x
  2. Step 2: Convert to fraction form
    452,355,261.40/678,144,275.14 = 157,212,034.80/x
  3. Step 3: Cross multiply
    452,355,261.40x = 678,144,275.14 × 157,212,034.80
  4. Step 4: Simplify right side
    452,355,261.40x = 106,612,441,382,730,464
  5. Step 5: Solve for x
    x = 106,612,441,382,730,464/452,355,261.40
  6. Step 6: Final answer
    x = 235,682,991.84

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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.