Home / 311,877,641.40-467,312,577.30-196,655,983.80

Finding the Fourth Proportional to 311,877,641.40, 467,312,577.30 and 196,655,983.80

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Solution

The fourth proportional to 311,877,641.40, 467,312,577.30 and 196,655,983.80 is: 294,666,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,877,641.40 : 467,312,577.30 = 196,655,983.80 : x
  2. Step 2: Convert to fraction form
    311,877,641.40/467,312,577.30 = 196,655,983.80/x
  3. Step 3: Cross multiply
    311,877,641.40x = 467,312,577.30 × 196,655,983.80
  4. Step 4: Simplify right side
    311,877,641.40x = 91,899,814,631,045,056
  5. Step 5: Solve for x
    x = 91,899,814,631,045,056/311,877,641.40
  6. Step 6: Final answer
    x = 294,666,248.66

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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.