Home / 340,161,798.59-469,172,638.04-256,533,449.43

Finding the Fourth Proportional to 340,161,798.59, 469,172,638.04 and 256,533,449.43

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Solution

The fourth proportional to 340,161,798.59, 469,172,638.04 and 256,533,449.43 is: 353,827,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,161,798.59 : 469,172,638.04 = 256,533,449.43 : x
  2. Step 2: Convert to fraction form
    340,161,798.59/469,172,638.04 = 256,533,449.43/x
  3. Step 3: Cross multiply
    340,161,798.59x = 469,172,638.04 × 256,533,449.43
  4. Step 4: Simplify right side
    340,161,798.59x = 120,358,475,213,291,376
  5. Step 5: Solve for x
    x = 120,358,475,213,291,376/340,161,798.59
  6. Step 6: Final answer
    x = 353,827,136.72

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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.