Home / 1,539,778,858.10-2,309,668,287.15-927,558,826.10

Finding the Fourth Proportional to 1,539,778,858.10, 2,309,668,287.15 and 927,558,826.10

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Solution

The fourth proportional to 1,539,778,858.10, 2,309,668,287.15 and 927,558,826.10 is: 1,391,338,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,778,858.10 : 2,309,668,287.15 = 927,558,826.10 : x
  2. Step 2: Convert to fraction form
    1,539,778,858.10/2,309,668,287.15 = 927,558,826.10/x
  3. Step 3: Cross multiply
    1,539,778,858.10x = 2,309,668,287.15 × 927,558,826.10
  4. Step 4: Simplify right side
    1,539,778,858.10x = 2,142,353,205,109,251,840
  5. Step 5: Solve for x
    x = 2,142,353,205,109,251,840/1,539,778,858.10
  6. Step 6: Final answer
    x = 1,391,338,239.15

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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.