Home / 510,374,834.08-765,525,219.60-199,423,981.60

Finding the Fourth Proportional to 510,374,834.08, 765,525,219.60 and 199,423,981.60

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Solution

The fourth proportional to 510,374,834.08, 765,525,219.60 and 199,423,981.60 is: 299,121,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,374,834.08 : 765,525,219.60 = 199,423,981.60 : x
  2. Step 2: Convert to fraction form
    510,374,834.08/765,525,219.60 = 199,423,981.60/x
  3. Step 3: Cross multiply
    510,374,834.08x = 765,525,219.60 × 199,423,981.60
  4. Step 4: Simplify right side
    510,374,834.08x = 152,664,087,307,846,368
  5. Step 5: Solve for x
    x = 152,664,087,307,846,368/510,374,834.08
  6. Step 6: Final answer
    x = 299,121,502.70

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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.