Home / 643,126,628.40-964,695,774.60-183,064,616.88

Finding the Fourth Proportional to 643,126,628.40, 964,695,774.60 and 183,064,616.88

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Solution

The fourth proportional to 643,126,628.40, 964,695,774.60 and 183,064,616.88 is: 274,598,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,126,628.40 : 964,695,774.60 = 183,064,616.88 : x
  2. Step 2: Convert to fraction form
    643,126,628.40/964,695,774.60 = 183,064,616.88/x
  3. Step 3: Cross multiply
    643,126,628.40x = 964,695,774.60 × 183,064,616.88
  4. Step 4: Simplify right side
    643,126,628.40x = 176,601,662,382,903,840
  5. Step 5: Solve for x
    x = 176,601,662,382,903,840/643,126,628.40
  6. Step 6: Final answer
    x = 274,598,585.39

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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.