Home / 967,713,386.50-1,451,578,480.38-312,664,482.78

Finding the Fourth Proportional to 967,713,386.50, 1,451,578,480.38 and 312,664,482.78

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Solution

The fourth proportional to 967,713,386.50, 1,451,578,480.38 and 312,664,482.78 is: 468,999,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,713,386.50 : 1,451,578,480.38 = 312,664,482.78 : x
  2. Step 2: Convert to fraction form
    967,713,386.50/1,451,578,480.38 = 312,664,482.78/x
  3. Step 3: Cross multiply
    967,713,386.50x = 1,451,578,480.38 × 312,664,482.78
  4. Step 4: Simplify right side
    967,713,386.50x = 453,857,034,782,591,104
  5. Step 5: Solve for x
    x = 453,857,034,782,591,104/967,713,386.50
  6. Step 6: Final answer
    x = 468,999,438.38

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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.