Home / 507,968,367.78-762,028,265.61-180,416,362.26

Finding the Fourth Proportional to 507,968,367.78, 762,028,265.61 and 180,416,362.26

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Solution

The fourth proportional to 507,968,367.78, 762,028,265.61 and 180,416,362.26 is: 270,651,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,968,367.78 : 762,028,265.61 = 180,416,362.26 : x
  2. Step 2: Convert to fraction form
    507,968,367.78/762,028,265.61 = 180,416,362.26/x
  3. Step 3: Cross multiply
    507,968,367.78x = 762,028,265.61 × 180,416,362.26
  4. Step 4: Simplify right side
    507,968,367.78x = 137,482,367,620,653,248
  5. Step 5: Solve for x
    x = 137,482,367,620,653,248/507,968,367.78
  6. Step 6: Final answer
    x = 270,651,434.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.