Home / 340,161,801.61-469,172,642.25-256,533,452.45

Finding the Fourth Proportional to 340,161,801.61, 469,172,642.25 and 256,533,452.45

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Solution

The fourth proportional to 340,161,801.61, 469,172,642.25 and 256,533,452.45 is: 353,827,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,161,801.61 : 469,172,642.25 = 256,533,452.45 : x
  2. Step 2: Convert to fraction form
    340,161,801.61/469,172,642.25 = 256,533,452.45/x
  3. Step 3: Cross multiply
    340,161,801.61x = 469,172,642.25 × 256,533,452.45
  4. Step 4: Simplify right side
    340,161,801.61x = 120,358,477,713,775,216
  5. Step 5: Solve for x
    x = 120,358,477,713,775,216/340,161,801.61
  6. Step 6: Final answer
    x = 353,827,140.92

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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.