Home / 264,814,340,724.33-397,284,643,400.22-85,740,381,439.76

Finding the Fourth Proportional to 264,814,340,724.33, 397,284,643,400.22 and 85,740,381,439.76

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Solution

The fourth proportional to 264,814,340,724.33, 397,284,643,400.22 and 85,740,381,439.76 is: 128,631,012,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,814,340,724.33 : 397,284,643,400.22 = 85,740,381,439.76 : x
  2. Step 2: Convert to fraction form
    264,814,340,724.33/397,284,643,400.22 = 85,740,381,439.76/x
  3. Step 3: Cross multiply
    264,814,340,724.33x = 397,284,643,400.22 × 85,740,381,439.76
  4. Step 4: Simplify right side
    264,814,340,724.33x = 34,063,336,865,293,888,651,264
  5. Step 5: Solve for x
    x = 34,063,336,865,293,888,651,264/264,814,340,724.33
  6. Step 6: Final answer
    x = 128,631,012,852.71

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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.