Home / 510,166,410.60-765,249,615.90-218,983,981.80

Finding the Fourth Proportional to 510,166,410.60, 765,249,615.90 and 218,983,981.80

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Solution

The fourth proportional to 510,166,410.60, 765,249,615.90 and 218,983,981.80 is: 328,475,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,166,410.60 : 765,249,615.90 = 218,983,981.80 : x
  2. Step 2: Convert to fraction form
    510,166,410.60/765,249,615.90 = 218,983,981.80/x
  3. Step 3: Cross multiply
    510,166,410.60x = 765,249,615.90 × 218,983,981.80
  4. Step 4: Simplify right side
    510,166,410.60x = 167,577,407,960,702,592
  5. Step 5: Solve for x
    x = 167,577,407,960,702,592/510,166,410.60
  6. Step 6: Final answer
    x = 328,475,972.70

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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.