Home / 1,251,925,600.80-1,877,888,401.20-786,336,045.60

Finding the Fourth Proportional to 1,251,925,600.80, 1,877,888,401.20 and 786,336,045.60

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Solution

The fourth proportional to 1,251,925,600.80, 1,877,888,401.20 and 786,336,045.60 is: 1,179,504,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,925,600.80 : 1,877,888,401.20 = 786,336,045.60 : x
  2. Step 2: Convert to fraction form
    1,251,925,600.80/1,877,888,401.20 = 786,336,045.60/x
  3. Step 3: Cross multiply
    1,251,925,600.80x = 1,877,888,401.20 × 786,336,045.60
  4. Step 4: Simplify right side
    1,251,925,600.80x = 1,476,651,339,477,714,432
  5. Step 5: Solve for x
    x = 1,476,651,339,477,714,432/1,251,925,600.80
  6. Step 6: Final answer
    x = 1,179,504,068.40

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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.