Home / 384,517,276.98-531,337,718.22-279,913,744.94

Finding the Fourth Proportional to 384,517,276.98, 531,337,718.22 and 279,913,744.94

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Solution

The fourth proportional to 384,517,276.98, 531,337,718.22 and 279,913,744.94 is: 386,793,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,517,276.98 : 531,337,718.22 = 279,913,744.94 : x
  2. Step 2: Convert to fraction form
    384,517,276.98/531,337,718.22 = 279,913,744.94/x
  3. Step 3: Cross multiply
    384,517,276.98x = 531,337,718.22 × 279,913,744.94
  4. Step 4: Simplify right side
    384,517,276.98x = 148,728,730,534,834,688
  5. Step 5: Solve for x
    x = 148,728,730,534,834,688/384,517,276.98
  6. Step 6: Final answer
    x = 386,793,362.58

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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.