Home / 715,646,532.80-1,073,469,799.20-711,111,569.60

Finding the Fourth Proportional to 715,646,532.80, 1,073,469,799.20 and 711,111,569.60

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Solution

The fourth proportional to 715,646,532.80, 1,073,469,799.20 and 711,111,569.60 is: 1,066,667,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,646,532.80 : 1,073,469,799.20 = 711,111,569.60 : x
  2. Step 2: Convert to fraction form
    715,646,532.80/1,073,469,799.20 = 711,111,569.60/x
  3. Step 3: Cross multiply
    715,646,532.80x = 1,073,469,799.20 × 711,111,569.60
  4. Step 4: Simplify right side
    715,646,532.80x = 763,356,793,827,308,928
  5. Step 5: Solve for x
    x = 763,356,793,827,308,928/715,646,532.80
  6. Step 6: Final answer
    x = 1,066,667,354.40

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1.5x scale

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.