Home / 3,369,895,818.75-5,055,533,149.80-1,158,818,378.50

Finding the Fourth Proportional to 3,369,895,818.75, 5,055,533,149.80 and 1,158,818,378.50

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Solution

The fourth proportional to 3,369,895,818.75, 5,055,533,149.80 and 1,158,818,378.50 is: 1,738,464,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369,895,818.75 : 5,055,533,149.80 = 1,158,818,378.50 : x
  2. Step 2: Convert to fraction form
    3,369,895,818.75/5,055,533,149.80 = 1,158,818,378.50/x
  3. Step 3: Cross multiply
    3,369,895,818.75x = 5,055,533,149.80 × 1,158,818,378.50
  4. Step 4: Simplify right side
    3,369,895,818.75x = 5,858,444,727,115,209,728
  5. Step 5: Solve for x
    x = 5,858,444,727,115,209,728/3,369,895,818.75
  6. Step 6: Final answer
    x = 1,738,464,641.70

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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.