Home / 539,030,209.70-808,545,314.55-193,995,092.90

Finding the Fourth Proportional to 539,030,209.70, 808,545,314.55 and 193,995,092.90

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Solution

The fourth proportional to 539,030,209.70, 808,545,314.55 and 193,995,092.90 is: 290,992,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,030,209.70 : 808,545,314.55 = 193,995,092.90 : x
  2. Step 2: Convert to fraction form
    539,030,209.70/808,545,314.55 = 193,995,092.90/x
  3. Step 3: Cross multiply
    539,030,209.70x = 808,545,314.55 × 193,995,092.90
  4. Step 4: Simplify right side
    539,030,209.70x = 156,853,823,409,986,976
  5. Step 5: Solve for x
    x = 156,853,823,409,986,976/539,030,209.70
  6. Step 6: Final answer
    x = 290,992,639.35

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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.