Home / 348,091,998.20-522,197,482.74-143,508,237.56

Finding the Fourth Proportional to 348,091,998.20, 522,197,482.74 and 143,508,237.56

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Solution

The fourth proportional to 348,091,998.20, 522,197,482.74 and 143,508,237.56 is: 215,286,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,091,998.20 : 522,197,482.74 = 143,508,237.56 : x
  2. Step 2: Convert to fraction form
    348,091,998.20/522,197,482.74 = 143,508,237.56/x
  3. Step 3: Cross multiply
    348,091,998.20x = 522,197,482.74 × 143,508,237.56
  4. Step 4: Simplify right side
    348,091,998.20x = 74,939,640,406,285,920
  5. Step 5: Solve for x
    x = 74,939,640,406,285,920/348,091,998.20
  6. Step 6: Final answer
    x = 215,286,880.46

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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.