Home / 298,744,671.40-448,117,007.10-201,172,103.80

Finding the Fourth Proportional to 298,744,671.40, 448,117,007.10 and 201,172,103.80

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Solution

The fourth proportional to 298,744,671.40, 448,117,007.10 and 201,172,103.80 is: 301,758,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,744,671.40 : 448,117,007.10 = 201,172,103.80 : x
  2. Step 2: Convert to fraction form
    298,744,671.40/448,117,007.10 = 201,172,103.80/x
  3. Step 3: Cross multiply
    298,744,671.40x = 448,117,007.10 × 201,172,103.80
  4. Step 4: Simplify right side
    298,744,671.40x = 90,148,641,066,866,544
  5. Step 5: Solve for x
    x = 90,148,641,066,866,544/298,744,671.40
  6. Step 6: Final answer
    x = 301,758,155.70

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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.