Home / 1,990,656,207.40-2,985,984,311.10-1,781,040,130.60

Finding the Fourth Proportional to 1,990,656,207.40, 2,985,984,311.10 and 1,781,040,130.60

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Solution

The fourth proportional to 1,990,656,207.40, 2,985,984,311.10 and 1,781,040,130.60 is: 2,671,560,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,207.40 : 2,985,984,311.10 = 1,781,040,130.60 : x
  2. Step 2: Convert to fraction form
    1,990,656,207.40/2,985,984,311.10 = 1,781,040,130.60/x
  3. Step 3: Cross multiply
    1,990,656,207.40x = 2,985,984,311.10 × 1,781,040,130.60
  4. Step 4: Simplify right side
    1,990,656,207.40x = 5,318,157,887,411,094,528
  5. Step 5: Solve for x
    x = 5,318,157,887,411,094,528/1,990,656,207.40
  6. Step 6: Final answer
    x = 2,671,560,195.90

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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.