Home / 426,144,750.60-639,695,422.80-329,528,776.80

Finding the Fourth Proportional to 426,144,750.60, 639,695,422.80 and 329,528,776.80

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Solution

The fourth proportional to 426,144,750.60, 639,695,422.80 and 329,528,776.80 is: 494,663,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,144,750.60 : 639,695,422.80 = 329,528,776.80 : x
  2. Step 2: Convert to fraction form
    426,144,750.60/639,695,422.80 = 329,528,776.80/x
  3. Step 3: Cross multiply
    426,144,750.60x = 639,695,422.80 × 329,528,776.80
  4. Step 4: Simplify right side
    426,144,750.60x = 210,798,050,199,842,816
  5. Step 5: Solve for x
    x = 210,798,050,199,842,816/426,144,750.60
  6. Step 6: Final answer
    x = 494,663,022.14

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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.