Home / 510,167,487.60-765,251,231.40-218,985,058.80

Finding the Fourth Proportional to 510,167,487.60, 765,251,231.40 and 218,985,058.80

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Solution

The fourth proportional to 510,167,487.60, 765,251,231.40 and 218,985,058.80 is: 328,477,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,167,487.60 : 765,251,231.40 = 218,985,058.80 : x
  2. Step 2: Convert to fraction form
    510,167,487.60/765,251,231.40 = 218,985,058.80/x
  3. Step 3: Cross multiply
    510,167,487.60x = 765,251,231.40 × 218,985,058.80
  4. Step 4: Simplify right side
    510,167,487.60x = 167,578,585,904,901,408
  5. Step 5: Solve for x
    x = 167,578,585,904,901,408/510,167,487.60
  6. Step 6: Final answer
    x = 328,477,588.20

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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.