Home / 510,167,429.10-765,251,143.65-218,985,000.30

Finding the Fourth Proportional to 510,167,429.10, 765,251,143.65 and 218,985,000.30

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Solution

The fourth proportional to 510,167,429.10, 765,251,143.65 and 218,985,000.30 is: 328,477,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,167,429.10 : 765,251,143.65 = 218,985,000.30 : x
  2. Step 2: Convert to fraction form
    510,167,429.10/765,251,143.65 = 218,985,000.30/x
  3. Step 3: Cross multiply
    510,167,429.10x = 765,251,143.65 × 218,985,000.30
  4. Step 4: Simplify right side
    510,167,429.10x = 167,578,521,921,770,592
  5. Step 5: Solve for x
    x = 167,578,521,921,770,592/510,167,429.10
  6. Step 6: Final answer
    x = 328,477,500.45

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1.5x scale

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.