Home / 372,638,476.32-514,243,205.46-216,098,527.56

Finding the Fourth Proportional to 372,638,476.32, 514,243,205.46 and 216,098,527.56

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Solution

The fourth proportional to 372,638,476.32, 514,243,205.46 and 216,098,527.56 is: 298,217,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,638,476.32 : 514,243,205.46 = 216,098,527.56 : x
  2. Step 2: Convert to fraction form
    372,638,476.32/514,243,205.46 = 216,098,527.56/x
  3. Step 3: Cross multiply
    372,638,476.32x = 514,243,205.46 × 216,098,527.56
  4. Step 4: Simplify right side
    372,638,476.32x = 111,127,199,507,640,544
  5. Step 5: Solve for x
    x = 111,127,199,507,640,544/372,638,476.32
  6. Step 6: Final answer
    x = 298,217,190.57

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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.