Home / 3,512,988,740.12-4,847,931,819.78-1,927,093,505

Finding the Fourth Proportional to 3,512,988,740.12, 4,847,931,819.78 and 1,927,093,505

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Solution

The fourth proportional to 3,512,988,740.12, 4,847,931,819.78 and 1,927,093,505 is: 2,659,393,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,988,740.12 : 4,847,931,819.78 = 1,927,093,505 : x
  2. Step 2: Convert to fraction form
    3,512,988,740.12/4,847,931,819.78 = 1,927,093,505/x
  3. Step 3: Cross multiply
    3,512,988,740.12x = 4,847,931,819.78 × 1,927,093,505
  4. Step 4: Simplify right side
    3,512,988,740.12x = 9,342,417,922,580,867,072
  5. Step 5: Solve for x
    x = 9,342,417,922,580,867,072/3,512,988,740.12
  6. Step 6: Final answer
    x = 2,659,393,073.45

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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.