Home / 510,693,630.12-766,148,045.67-165,620,350.26

Finding the Fourth Proportional to 510,693,630.12, 766,148,045.67 and 165,620,350.26

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Solution

The fourth proportional to 510,693,630.12, 766,148,045.67 and 165,620,350.26 is: 248,465,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,693,630.12 : 766,148,045.67 = 165,620,350.26 : x
  2. Step 2: Convert to fraction form
    510,693,630.12/766,148,045.67 = 165,620,350.26/x
  3. Step 3: Cross multiply
    510,693,630.12x = 766,148,045.67 × 165,620,350.26
  4. Step 4: Simplify right side
    510,693,630.12x = 126,889,707,674,879,856
  5. Step 5: Solve for x
    x = 126,889,707,674,879,856/510,693,630.12
  6. Step 6: Final answer
    x = 248,465,420.74

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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.