Home / 6,876,876,666.30-9,490,032,751.88-3,866,142,788.60

Finding the Fourth Proportional to 6,876,876,666.30, 9,490,032,751.88 and 3,866,142,788.60

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Solution

The fourth proportional to 6,876,876,666.30, 9,490,032,751.88 and 3,866,142,788.60 is: 5,335,244,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,876,666.30 : 9,490,032,751.88 = 3,866,142,788.60 : x
  2. Step 2: Convert to fraction form
    6,876,876,666.30/9,490,032,751.88 = 3,866,142,788.60/x
  3. Step 3: Cross multiply
    6,876,876,666.30x = 9,490,032,751.88 × 3,866,142,788.60
  4. Step 4: Simplify right side
    6,876,876,666.30x = 36,689,821,687,191,891,968
  5. Step 5: Solve for x
    x = 36,689,821,687,191,891,968/6,876,876,666.30
  6. Step 6: Final answer
    x = 5,335,244,976.40

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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.