Home / 1,979,832,023.40-2,969,748,035.10-891,440,855.40

Finding the Fourth Proportional to 1,979,832,023.40, 2,969,748,035.10 and 891,440,855.40

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Solution

The fourth proportional to 1,979,832,023.40, 2,969,748,035.10 and 891,440,855.40 is: 1,337,161,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,832,023.40 : 2,969,748,035.10 = 891,440,855.40 : x
  2. Step 2: Convert to fraction form
    1,979,832,023.40/2,969,748,035.10 = 891,440,855.40/x
  3. Step 3: Cross multiply
    1,979,832,023.40x = 2,969,748,035.10 × 891,440,855.40
  4. Step 4: Simplify right side
    1,979,832,023.40x = 2,647,354,728,732,013,056
  5. Step 5: Solve for x
    x = 2,647,354,728,732,013,056/1,979,832,023.40
  6. Step 6: Final answer
    x = 1,337,161,283.10

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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.