Home / 661,544,659.93-992,344,385.40-195,206,068.15

Finding the Fourth Proportional to 661,544,659.93, 992,344,385.40 and 195,206,068.15

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Solution

The fourth proportional to 661,544,659.93, 992,344,385.40 and 195,206,068.15 is: 292,817,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,544,659.93 : 992,344,385.40 = 195,206,068.15 : x
  2. Step 2: Convert to fraction form
    661,544,659.93/992,344,385.40 = 195,206,068.15/x
  3. Step 3: Cross multiply
    661,544,659.93x = 992,344,385.40 × 195,206,068.15
  4. Step 4: Simplify right side
    661,544,659.93x = 193,711,645,724,662,272
  5. Step 5: Solve for x
    x = 193,711,645,724,662,272/661,544,659.93
  6. Step 6: Final answer
    x = 292,817,185.99

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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.