Home / 3,209,933,306.23-4,429,743,873.90-1,781,030,285.39

Finding the Fourth Proportional to 3,209,933,306.23, 4,429,743,873.90 and 1,781,030,285.39

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Solution

The fourth proportional to 3,209,933,306.23, 4,429,743,873.90 and 1,781,030,285.39 is: 2,457,841,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,933,306.23 : 4,429,743,873.90 = 1,781,030,285.39 : x
  2. Step 2: Convert to fraction form
    3,209,933,306.23/4,429,743,873.90 = 1,781,030,285.39/x
  3. Step 3: Cross multiply
    3,209,933,306.23x = 4,429,743,873.90 × 1,781,030,285.39
  4. Step 4: Simplify right side
    3,209,933,306.23x = 7,889,507,995,936,720,896
  5. Step 5: Solve for x
    x = 7,889,507,995,936,720,896/3,209,933,306.23
  6. Step 6: Final answer
    x = 2,457,841,719.21

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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.