Home / 1,920,121,228.30-2,880,181,842.45-1,436,391,820.30

Finding the Fourth Proportional to 1,920,121,228.30, 2,880,181,842.45 and 1,436,391,820.30

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Solution

The fourth proportional to 1,920,121,228.30, 2,880,181,842.45 and 1,436,391,820.30 is: 2,154,587,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,121,228.30 : 2,880,181,842.45 = 1,436,391,820.30 : x
  2. Step 2: Convert to fraction form
    1,920,121,228.30/2,880,181,842.45 = 1,436,391,820.30/x
  3. Step 3: Cross multiply
    1,920,121,228.30x = 2,880,181,842.45 × 1,436,391,820.30
  4. Step 4: Simplify right side
    1,920,121,228.30x = 4,137,069,639,471,762,944
  5. Step 5: Solve for x
    x = 4,137,069,639,471,762,944/1,920,121,228.30
  6. Step 6: Final answer
    x = 2,154,587,730.45

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Double scale
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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.