Home / 351,290,601-484,622,053.72-212,016,842.28

Finding the Fourth Proportional to 351,290,601, 484,622,053.72 and 212,016,842.28

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Solution

The fourth proportional to 351,290,601, 484,622,053.72 and 212,016,842.28 is: 292,487,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,290,601 : 484,622,053.72 = 212,016,842.28 : x
  2. Step 2: Convert to fraction form
    351,290,601/484,622,053.72 = 212,016,842.28/x
  3. Step 3: Cross multiply
    351,290,601x = 484,622,053.72 × 212,016,842.28
  4. Step 4: Simplify right side
    351,290,601x = 102,748,037,528,962,928
  5. Step 5: Solve for x
    x = 102,748,037,528,962,928/351,290,601
  6. Step 6: Final answer
    x = 292,487,294.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.