Home / 1,260,955,320.96-1,889,792,157.15-513,099,366.87

Finding the Fourth Proportional to 1,260,955,320.96, 1,889,792,157.15 and 513,099,366.87

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Solution

The fourth proportional to 1,260,955,320.96, 1,889,792,157.15 and 513,099,366.87 is: 768,981,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,955,320.96 : 1,889,792,157.15 = 513,099,366.87 : x
  2. Step 2: Convert to fraction form
    1,260,955,320.96/1,889,792,157.15 = 513,099,366.87/x
  3. Step 3: Cross multiply
    1,260,955,320.96x = 1,889,792,157.15 × 513,099,366.87
  4. Step 4: Simplify right side
    1,260,955,320.96x = 969,651,159,349,556,608
  5. Step 5: Solve for x
    x = 969,651,159,349,556,608/1,260,955,320.96
  6. Step 6: Final answer
    x = 768,981,377.24

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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.