Home / 1,259,721,048.60-1,889,581,572.90-708,723,019.80

Finding the Fourth Proportional to 1,259,721,048.60, 1,889,581,572.90 and 708,723,019.80

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Solution

The fourth proportional to 1,259,721,048.60, 1,889,581,572.90 and 708,723,019.80 is: 1,063,084,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,721,048.60 : 1,889,581,572.90 = 708,723,019.80 : x
  2. Step 2: Convert to fraction form
    1,259,721,048.60/1,889,581,572.90 = 708,723,019.80/x
  3. Step 3: Cross multiply
    1,259,721,048.60x = 1,889,581,572.90 × 708,723,019.80
  4. Step 4: Simplify right side
    1,259,721,048.60x = 1,339,189,958,504,121,856
  5. Step 5: Solve for x
    x = 1,339,189,958,504,121,856/1,259,721,048.60
  6. Step 6: Final answer
    x = 1,063,084,529.70

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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.