Home / 510,166,404.60-765,249,606.90-218,983,975.80

Finding the Fourth Proportional to 510,166,404.60, 765,249,606.90 and 218,983,975.80

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Solution

The fourth proportional to 510,166,404.60, 765,249,606.90 and 218,983,975.80 is: 328,475,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,166,404.60 : 765,249,606.90 = 218,983,975.80 : x
  2. Step 2: Convert to fraction form
    510,166,404.60/765,249,606.90 = 218,983,975.80/x
  3. Step 3: Cross multiply
    510,166,404.60x = 765,249,606.90 × 218,983,975.80
  4. Step 4: Simplify right side
    510,166,404.60x = 167,577,401,398,349,120
  5. Step 5: Solve for x
    x = 167,577,401,398,349,120/510,166,404.60
  6. Step 6: Final answer
    x = 328,475,963.70

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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.