Home / 1,306,852,795.90-1,803,446,873.89-712,135,441.09

Finding the Fourth Proportional to 1,306,852,795.90, 1,803,446,873.89 and 712,135,441.09

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Solution

The fourth proportional to 1,306,852,795.90, 1,803,446,873.89 and 712,135,441.09 is: 982,741,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,852,795.90 : 1,803,446,873.89 = 712,135,441.09 : x
  2. Step 2: Convert to fraction form
    1,306,852,795.90/1,803,446,873.89 = 712,135,441.09/x
  3. Step 3: Cross multiply
    1,306,852,795.90x = 1,803,446,873.89 × 712,135,441.09
  4. Step 4: Simplify right side
    1,306,852,795.90x = 1,284,298,435,010,357,504
  5. Step 5: Solve for x
    x = 1,284,298,435,010,357,504/1,306,852,795.90
  6. Step 6: Final answer
    x = 982,741,467.93

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.