Home / 1,325,347,769.67-1,828,985,446.50-730,619,188.71

Finding the Fourth Proportional to 1,325,347,769.67, 1,828,985,446.50 and 730,619,188.71

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Solution

The fourth proportional to 1,325,347,769.67, 1,828,985,446.50 and 730,619,188.71 is: 1,008,257,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,347,769.67 : 1,828,985,446.50 = 730,619,188.71 : x
  2. Step 2: Convert to fraction form
    1,325,347,769.67/1,828,985,446.50 = 730,619,188.71/x
  3. Step 3: Cross multiply
    1,325,347,769.67x = 1,828,985,446.50 × 730,619,188.71
  4. Step 4: Simplify right side
    1,325,347,769.67x = 1,336,291,863,084,227,072
  5. Step 5: Solve for x
    x = 1,336,291,863,084,227,072/1,325,347,769.67
  6. Step 6: Final answer
    x = 1,008,257,525.81

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1.5x scale

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.