Home / 380,643,620.40-570,327,701.40-325,798,909.20

Finding the Fourth Proportional to 380,643,620.40, 570,327,701.40 and 325,798,909.20

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Solution

The fourth proportional to 380,643,620.40, 570,327,701.40 and 325,798,909.20 is: 488,152,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,643,620.40 : 570,327,701.40 = 325,798,909.20 : x
  2. Step 2: Convert to fraction form
    380,643,620.40/570,327,701.40 = 325,798,909.20/x
  3. Step 3: Cross multiply
    380,643,620.40x = 570,327,701.40 × 325,798,909.20
  4. Step 4: Simplify right side
    380,643,620.40x = 185,812,143,002,663,296
  5. Step 5: Solve for x
    x = 185,812,143,002,663,296/380,643,620.40
  6. Step 6: Final answer
    x = 488,152,521.27

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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.