Home / 952,697,878.11-1,428,888,314.30-288,553,994.78

Finding the Fourth Proportional to 952,697,878.11, 1,428,888,314.30 and 288,553,994.78

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Solution

The fourth proportional to 952,697,878.11, 1,428,888,314.30 and 288,553,994.78 is: 432,782,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,697,878.11 : 1,428,888,314.30 = 288,553,994.78 : x
  2. Step 2: Convert to fraction form
    952,697,878.11/1,428,888,314.30 = 288,553,994.78/x
  3. Step 3: Cross multiply
    952,697,878.11x = 1,428,888,314.30 × 288,553,994.78
  4. Step 4: Simplify right side
    952,697,878.11x = 412,311,431,177,137,984
  5. Step 5: Solve for x
    x = 412,311,431,177,137,984/952,697,878.11
  6. Step 6: Final answer
    x = 432,782,984.67

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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.