Home / 372,638,591.58-514,243,365.27-216,098,643.42

Finding the Fourth Proportional to 372,638,591.58, 514,243,365.27 and 216,098,643.42

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Solution

The fourth proportional to 372,638,591.58, 514,243,365.27 and 216,098,643.42 is: 298,217,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,638,591.58 : 514,243,365.27 = 216,098,643.42 : x
  2. Step 2: Convert to fraction form
    372,638,591.58/514,243,365.27 = 216,098,643.42/x
  3. Step 3: Cross multiply
    372,638,591.58x = 514,243,365.27 × 216,098,643.42
  4. Step 4: Simplify right side
    372,638,591.58x = 111,127,293,622,582,528
  5. Step 5: Solve for x
    x = 111,127,293,622,582,528/372,638,591.58
  6. Step 6: Final answer
    x = 298,217,350.90

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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.