Home / 3,557,549,552.40-4,909,418,847.72-1,971,743,893.20

Finding the Fourth Proportional to 3,557,549,552.40, 4,909,418,847.72 and 1,971,743,893.20

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Solution

The fourth proportional to 3,557,549,552.40, 4,909,418,847.72 and 1,971,743,893.20 is: 2,721,006,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,549,552.40 : 4,909,418,847.72 = 1,971,743,893.20 : x
  2. Step 2: Convert to fraction form
    3,557,549,552.40/4,909,418,847.72 = 1,971,743,893.20/x
  3. Step 3: Cross multiply
    3,557,549,552.40x = 4,909,418,847.72 × 1,971,743,893.20
  4. Step 4: Simplify right side
    3,557,549,552.40x = 9,680,116,632,152,891,392
  5. Step 5: Solve for x
    x = 9,680,116,632,152,891,392/3,557,549,552.40
  6. Step 6: Final answer
    x = 2,721,006,830.56

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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.