Home / 353,357,554.77-530,278,445.30-123,326,639.37

Finding the Fourth Proportional to 353,357,554.77, 530,278,445.30 and 123,326,639.37

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Solution

The fourth proportional to 353,357,554.77, 530,278,445.30 and 123,326,639.37 is: 185,074,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,357,554.77 : 530,278,445.30 = 123,326,639.37 : x
  2. Step 2: Convert to fraction form
    353,357,554.77/530,278,445.30 = 123,326,639.37/x
  3. Step 3: Cross multiply
    353,357,554.77x = 530,278,445.30 × 123,326,639.37
  4. Step 4: Simplify right side
    353,357,554.77x = 65,397,458,588,580,744
  5. Step 5: Solve for x
    x = 65,397,458,588,580,744/353,357,554.77
  6. Step 6: Final answer
    x = 185,074,459.87

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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.