Home / 1,036,102,861.30-1,553,955,226.35-309,115,290.10

Finding the Fourth Proportional to 1,036,102,861.30, 1,553,955,226.35 and 309,115,290.10

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Solution

The fourth proportional to 1,036,102,861.30, 1,553,955,226.35 and 309,115,290.10 is: 463,613,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,102,861.30 : 1,553,955,226.35 = 309,115,290.10 : x
  2. Step 2: Convert to fraction form
    1,036,102,861.30/1,553,955,226.35 = 309,115,290.10/x
  3. Step 3: Cross multiply
    1,036,102,861.30x = 1,553,955,226.35 × 309,115,290.10
  4. Step 4: Simplify right side
    1,036,102,861.30x = 480,351,320,595,591,424
  5. Step 5: Solve for x
    x = 480,351,320,595,591,424/1,036,102,861.30
  6. Step 6: Final answer
    x = 463,613,545.08

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Double scale
Find fourth proportional to 1,036,102,862.30, 1,553,955,227.85 and 309,115,291.10
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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.