Home / 876,654,015.80-1,312,464,441.30-851,488,191.80

Finding the Fourth Proportional to 876,654,015.80, 1,312,464,441.30 and 851,488,191.80

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Solution

The fourth proportional to 876,654,015.80, 1,312,464,441.30 and 851,488,191.80 is: 1,274,787,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,654,015.80 : 1,312,464,441.30 = 851,488,191.80 : x
  2. Step 2: Convert to fraction form
    876,654,015.80/1,312,464,441.30 = 851,488,191.80/x
  3. Step 3: Cross multiply
    876,654,015.80x = 1,312,464,441.30 × 851,488,191.80
  4. Step 4: Simplify right side
    876,654,015.80x = 1,117,547,973,924,334,080
  5. Step 5: Solve for x
    x = 1,117,547,973,924,334,080/876,654,015.80
  6. Step 6: Final answer
    x = 1,274,787,948.02

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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.