Home / 409,251,395.52-564,774,526.08-223,624,434.24

Finding the Fourth Proportional to 409,251,395.52, 564,774,526.08 and 223,624,434.24

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Solution

The fourth proportional to 409,251,395.52, 564,774,526.08 and 223,624,434.24 is: 308,605,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,251,395.52 : 564,774,526.08 = 223,624,434.24 : x
  2. Step 2: Convert to fraction form
    409,251,395.52/564,774,526.08 = 223,624,434.24/x
  3. Step 3: Cross multiply
    409,251,395.52x = 564,774,526.08 × 223,624,434.24
  4. Step 4: Simplify right side
    409,251,395.52x = 126,297,383,867,804,144
  5. Step 5: Solve for x
    x = 126,297,383,867,804,144/409,251,395.52
  6. Step 6: Final answer
    x = 308,605,872.21

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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.