Home / 891,823,307.52-1,338,173,216.64-400,883,448

Finding the Fourth Proportional to 891,823,307.52, 1,338,173,216.64 and 400,883,448

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Solution

The fourth proportional to 891,823,307.52, 1,338,173,216.64 and 400,883,448 is: 601,522,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,823,307.52 : 1,338,173,216.64 = 400,883,448 : x
  2. Step 2: Convert to fraction form
    891,823,307.52/1,338,173,216.64 = 400,883,448/x
  3. Step 3: Cross multiply
    891,823,307.52x = 1,338,173,216.64 × 400,883,448
  4. Step 4: Simplify right side
    891,823,307.52x = 536,451,493,107,894,208
  5. Step 5: Solve for x
    x = 536,451,493,107,894,208/891,823,307.52
  6. Step 6: Final answer
    x = 601,522,172.14

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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.