Home / 835,471,637.87-1,152,981,975.65-500,998,615.70

Finding the Fourth Proportional to 835,471,637.87, 1,152,981,975.65 and 500,998,615.70

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Solution

The fourth proportional to 835,471,637.87, 1,152,981,975.65 and 500,998,615.70 is: 691,396,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,471,637.87 : 1,152,981,975.65 = 500,998,615.70 : x
  2. Step 2: Convert to fraction form
    835,471,637.87/1,152,981,975.65 = 500,998,615.70/x
  3. Step 3: Cross multiply
    835,471,637.87x = 1,152,981,975.65 × 500,998,615.70
  4. Step 4: Simplify right side
    835,471,637.87x = 577,642,373,719,431,168
  5. Step 5: Solve for x
    x = 577,642,373,719,431,168/835,471,637.87
  6. Step 6: Final answer
    x = 691,396,748.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.