Home / 1,303,863,109.20-1,955,794,663.80-786,026,998.80

Finding the Fourth Proportional to 1,303,863,109.20, 1,955,794,663.80 and 786,026,998.80

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Solution

The fourth proportional to 1,303,863,109.20, 1,955,794,663.80 and 786,026,998.80 is: 1,179,040,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,863,109.20 : 1,955,794,663.80 = 786,026,998.80 : x
  2. Step 2: Convert to fraction form
    1,303,863,109.20/1,955,794,663.80 = 786,026,998.80/x
  3. Step 3: Cross multiply
    1,303,863,109.20x = 1,955,794,663.80 × 786,026,998.80
  4. Step 4: Simplify right side
    1,303,863,109.20x = 1,537,307,409,855,768,832
  5. Step 5: Solve for x
    x = 1,537,307,409,855,768,832/1,303,863,109.20
  6. Step 6: Final answer
    x = 1,179,040,498.20

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Double scale
Find fourth proportional to 1,303,863,110.20, 1,955,794,665.30 and 786,026,999.80
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.