Home / 356,731,411.50-492,288,341.17-197,985,502.82

Finding the Fourth Proportional to 356,731,411.50, 492,288,341.17 and 197,985,502.82

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Solution

The fourth proportional to 356,731,411.50, 492,288,341.17 and 197,985,502.82 is: 273,219,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,731,411.50 : 492,288,341.17 = 197,985,502.82 : x
  2. Step 2: Convert to fraction form
    356,731,411.50/492,288,341.17 = 197,985,502.82/x
  3. Step 3: Cross multiply
    356,731,411.50x = 492,288,341.17 × 197,985,502.82
  4. Step 4: Simplify right side
    356,731,411.50x = 97,465,954,756,745,184
  5. Step 5: Solve for x
    x = 97,465,954,756,745,184/356,731,411.50
  6. Step 6: Final answer
    x = 273,219,435.17

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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.