Home / 353,316,032.80-529,974,713.52-145,826,851.78

Finding the Fourth Proportional to 353,316,032.80, 529,974,713.52 and 145,826,851.78

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Solution

The fourth proportional to 353,316,032.80, 529,974,713.52 and 145,826,851.78 is: 218,740,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,316,032.80 : 529,974,713.52 = 145,826,851.78 : x
  2. Step 2: Convert to fraction form
    353,316,032.80/529,974,713.52 = 145,826,851.78/x
  3. Step 3: Cross multiply
    353,316,032.80x = 529,974,713.52 × 145,826,851.78
  4. Step 4: Simplify right side
    353,316,032.80x = 77,284,543,995,628,992
  5. Step 5: Solve for x
    x = 77,284,543,995,628,992/353,316,032.80
  6. Step 6: Final answer
    x = 218,740,551.86

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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.