Home / 28,698,804,911.10-43,048,207,366.65-7,739,356,456.20

Finding the Fourth Proportional to 28,698,804,911.10, 43,048,207,366.65 and 7,739,356,456.20

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Solution

The fourth proportional to 28,698,804,911.10, 43,048,207,366.65 and 7,739,356,456.20 is: 11,609,034,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698,804,911.10 : 43,048,207,366.65 = 7,739,356,456.20 : x
  2. Step 2: Convert to fraction form
    28,698,804,911.10/43,048,207,366.65 = 7,739,356,456.20/x
  3. Step 3: Cross multiply
    28,698,804,911.10x = 43,048,207,366.65 × 7,739,356,456.20
  4. Step 4: Simplify right side
    28,698,804,911.10x = 333,165,421,610,919,067,648
  5. Step 5: Solve for x
    x = 333,165,421,610,919,067,648/28,698,804,911.10
  6. Step 6: Final answer
    x = 11,609,034,684.30

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Double scale
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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.