Home / 977,088,138.20-1,465,632,207.30-330,855,882.20

Finding the Fourth Proportional to 977,088,138.20, 1,465,632,207.30 and 330,855,882.20

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Solution

The fourth proportional to 977,088,138.20, 1,465,632,207.30 and 330,855,882.20 is: 496,283,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,088,138.20 : 1,465,632,207.30 = 330,855,882.20 : x
  2. Step 2: Convert to fraction form
    977,088,138.20/1,465,632,207.30 = 330,855,882.20/x
  3. Step 3: Cross multiply
    977,088,138.20x = 1,465,632,207.30 × 330,855,882.20
  4. Step 4: Simplify right side
    977,088,138.20x = 484,913,036,926,974,720
  5. Step 5: Solve for x
    x = 484,913,036,926,974,720/977,088,138.20
  6. Step 6: Final answer
    x = 496,283,823.30

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Double scale
Find fourth proportional to 977,088,139.20, 1,465,632,208.80 and 330,855,883.20
Similar ratio
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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.