Home / 453,949,851.44-681,020,421.96-147,218,047.04

Finding the Fourth Proportional to 453,949,851.44, 681,020,421.96 and 147,218,047.04

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Solution

The fourth proportional to 453,949,851.44, 681,020,421.96 and 147,218,047.04 is: 220,858,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,949,851.44 : 681,020,421.96 = 147,218,047.04 : x
  2. Step 2: Convert to fraction form
    453,949,851.44/681,020,421.96 = 147,218,047.04/x
  3. Step 3: Cross multiply
    453,949,851.44x = 681,020,421.96 × 147,218,047.04
  4. Step 4: Simplify right side
    453,949,851.44x = 100,258,496,515,307,936
  5. Step 5: Solve for x
    x = 100,258,496,515,307,936/453,949,851.44
  6. Step 6: Final answer
    x = 220,858,088.61

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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.