Home / 3,120,707,629.80-4,681,061,444.70-1,281,780,052.20

Finding the Fourth Proportional to 3,120,707,629.80, 4,681,061,444.70 and 1,281,780,052.20

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Solution

The fourth proportional to 3,120,707,629.80, 4,681,061,444.70 and 1,281,780,052.20 is: 1,922,670,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,707,629.80 : 4,681,061,444.70 = 1,281,780,052.20 : x
  2. Step 2: Convert to fraction form
    3,120,707,629.80/4,681,061,444.70 = 1,281,780,052.20/x
  3. Step 3: Cross multiply
    3,120,707,629.80x = 4,681,061,444.70 × 1,281,780,052.20
  4. Step 4: Simplify right side
    3,120,707,629.80x = 6,000,091,182,938,973,184
  5. Step 5: Solve for x
    x = 6,000,091,182,938,973,184/3,120,707,629.80
  6. Step 6: Final answer
    x = 1,922,670,078.30

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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.