Home / 280,296,820.40-384,000,224.84-269,817,085.76

Finding the Fourth Proportional to 280,296,820.40, 384,000,224.84 and 269,817,085.76

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Solution

The fourth proportional to 280,296,820.40, 384,000,224.84 and 269,817,085.76 is: 369,643,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,296,820.40 : 384,000,224.84 = 269,817,085.76 : x
  2. Step 2: Convert to fraction form
    280,296,820.40/384,000,224.84 = 269,817,085.76/x
  3. Step 3: Cross multiply
    280,296,820.40x = 384,000,224.84 × 269,817,085.76
  4. Step 4: Simplify right side
    280,296,820.40x = 103,609,821,597,513,552
  5. Step 5: Solve for x
    x = 103,609,821,597,513,552/280,296,820.40
  6. Step 6: Final answer
    x = 369,643,228.38

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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.