Home / 510,166,400.10-765,249,600.15-218,983,971.30

Finding the Fourth Proportional to 510,166,400.10, 765,249,600.15 and 218,983,971.30

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Solution

The fourth proportional to 510,166,400.10, 765,249,600.15 and 218,983,971.30 is: 328,475,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,166,400.10 : 765,249,600.15 = 218,983,971.30 : x
  2. Step 2: Convert to fraction form
    510,166,400.10/765,249,600.15 = 218,983,971.30/x
  3. Step 3: Cross multiply
    510,166,400.10x = 765,249,600.15 × 218,983,971.30
  4. Step 4: Simplify right side
    510,166,400.10x = 167,577,396,476,584,064
  5. Step 5: Solve for x
    x = 167,577,396,476,584,064/510,166,400.10
  6. Step 6: Final answer
    x = 328,475,956.95

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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.