Home / 280,299,114.53-384,003,367.95-269,819,382.05

Finding the Fourth Proportional to 280,299,114.53, 384,003,367.95 and 269,819,382.05

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Solution

The fourth proportional to 280,299,114.53, 384,003,367.95 and 269,819,382.05 is: 369,646,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,299,114.53 : 384,003,367.95 = 269,819,382.05 : x
  2. Step 2: Convert to fraction form
    280,299,114.53/384,003,367.95 = 269,819,382.05/x
  3. Step 3: Cross multiply
    280,299,114.53x = 384,003,367.95 × 269,819,382.05
  4. Step 4: Simplify right side
    280,299,114.53x = 103,611,551,445,387,776
  5. Step 5: Solve for x
    x = 103,611,551,445,387,776/280,299,114.53
  6. Step 6: Final answer
    x = 369,646,374.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.