Home / 2,080,139,459.40-3,120,209,189.10-699,495,107.40

Finding the Fourth Proportional to 2,080,139,459.40, 3,120,209,189.10 and 699,495,107.40

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Solution

The fourth proportional to 2,080,139,459.40, 3,120,209,189.10 and 699,495,107.40 is: 1,049,242,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,139,459.40 : 3,120,209,189.10 = 699,495,107.40 : x
  2. Step 2: Convert to fraction form
    2,080,139,459.40/3,120,209,189.10 = 699,495,107.40/x
  3. Step 3: Cross multiply
    2,080,139,459.40x = 3,120,209,189.10 × 699,495,107.40
  4. Step 4: Simplify right side
    2,080,139,459.40x = 2,182,571,061,839,971,328
  5. Step 5: Solve for x
    x = 2,182,571,061,839,971,328/2,080,139,459.40
  6. Step 6: Final answer
    x = 1,049,242,661.10

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Double scale
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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.