Home / 1,439,346,403.90-2,159,019,589.65-348,829,471.90

Finding the Fourth Proportional to 1,439,346,403.90, 2,159,019,589.65 and 348,829,471.90

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Solution

The fourth proportional to 1,439,346,403.90, 2,159,019,589.65 and 348,829,471.90 is: 523,244,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,346,403.90 : 2,159,019,589.65 = 348,829,471.90 : x
  2. Step 2: Convert to fraction form
    1,439,346,403.90/2,159,019,589.65 = 348,829,471.90/x
  3. Step 3: Cross multiply
    1,439,346,403.90x = 2,159,019,589.65 × 348,829,471.90
  4. Step 4: Simplify right side
    1,439,346,403.90x = 753,129,663,279,364,224
  5. Step 5: Solve for x
    x = 753,129,663,279,364,224/1,439,346,403.90
  6. Step 6: Final answer
    x = 523,244,203.92

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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.