Home / 340,161,803.44-469,172,644.77-256,533,454.28

Finding the Fourth Proportional to 340,161,803.44, 469,172,644.77 and 256,533,454.28

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Solution

The fourth proportional to 340,161,803.44, 469,172,644.77 and 256,533,454.28 is: 353,827,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,161,803.44 : 469,172,644.77 = 256,533,454.28 : x
  2. Step 2: Convert to fraction form
    340,161,803.44/469,172,644.77 = 256,533,454.28/x
  3. Step 3: Cross multiply
    340,161,803.44x = 469,172,644.77 × 256,533,454.28
  4. Step 4: Simplify right side
    340,161,803.44x = 120,358,479,218,666,416
  5. Step 5: Solve for x
    x = 120,358,479,218,666,416/340,161,803.44
  6. Step 6: Final answer
    x = 353,827,143.44

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1.5x scale

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.