Home / 1,338,704,859.40-2,008,057,289.10-476,750,811.40

Finding the Fourth Proportional to 1,338,704,859.40, 2,008,057,289.10 and 476,750,811.40

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Solution

The fourth proportional to 1,338,704,859.40, 2,008,057,289.10 and 476,750,811.40 is: 715,126,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,704,859.40 : 2,008,057,289.10 = 476,750,811.40 : x
  2. Step 2: Convert to fraction form
    1,338,704,859.40/2,008,057,289.10 = 476,750,811.40/x
  3. Step 3: Cross multiply
    1,338,704,859.40x = 2,008,057,289.10 × 476,750,811.40
  4. Step 4: Simplify right side
    1,338,704,859.40x = 957,342,941,916,109,312
  5. Step 5: Solve for x
    x = 957,342,941,916,109,312/1,338,704,859.40
  6. Step 6: Final answer
    x = 715,126,217.10

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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.