Home / 510,166,401.10-765,249,601.65-218,983,972.30

Finding the Fourth Proportional to 510,166,401.10, 765,249,601.65 and 218,983,972.30

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Solution

The fourth proportional to 510,166,401.10, 765,249,601.65 and 218,983,972.30 is: 328,475,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,166,401.10 : 765,249,601.65 = 218,983,972.30 : x
  2. Step 2: Convert to fraction form
    510,166,401.10/765,249,601.65 = 218,983,972.30/x
  3. Step 3: Cross multiply
    510,166,401.10x = 765,249,601.65 × 218,983,972.30
  4. Step 4: Simplify right side
    510,166,401.10x = 167,577,397,570,309,632
  5. Step 5: Solve for x
    x = 167,577,397,570,309,632/510,166,401.10
  6. Step 6: Final answer
    x = 328,475,958.45

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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.