Home / 280,299,113.53-384,003,366.58-269,819,381.05

Finding the Fourth Proportional to 280,299,113.53, 384,003,366.58 and 269,819,381.05

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Solution

The fourth proportional to 280,299,113.53, 384,003,366.58 and 269,819,381.05 is: 369,646,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,299,113.53 : 384,003,366.58 = 269,819,381.05 : x
  2. Step 2: Convert to fraction form
    280,299,113.53/384,003,366.58 = 269,819,381.05/x
  3. Step 3: Cross multiply
    280,299,113.53x = 384,003,366.58 × 269,819,381.05
  4. Step 4: Simplify right side
    280,299,113.53x = 103,611,550,692,406,400
  5. Step 5: Solve for x
    x = 103,611,550,692,406,400/280,299,113.53
  6. Step 6: Final answer
    x = 369,646,373.07

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1.5x scale

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.