Home / 891,823,308.52-1,338,173,218.14-400,883,449

Finding the Fourth Proportional to 891,823,308.52, 1,338,173,218.14 and 400,883,449

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Solution

The fourth proportional to 891,823,308.52, 1,338,173,218.14 and 400,883,449 is: 601,522,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,823,308.52 : 1,338,173,218.14 = 400,883,449 : x
  2. Step 2: Convert to fraction form
    891,823,308.52/1,338,173,218.14 = 400,883,449/x
  3. Step 3: Cross multiply
    891,823,308.52x = 1,338,173,218.14 × 400,883,449
  4. Step 4: Simplify right side
    891,823,308.52x = 536,451,495,047,392,576
  5. Step 5: Solve for x
    x = 536,451,495,047,392,576/891,823,308.52
  6. Step 6: Final answer
    x = 601,522,173.64

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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.