Home / 649,025,167.60-973,537,751.40-188,978,345.20

Finding the Fourth Proportional to 649,025,167.60, 973,537,751.40 and 188,978,345.20

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Solution

The fourth proportional to 649,025,167.60, 973,537,751.40 and 188,978,345.20 is: 283,467,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,025,167.60 : 973,537,751.40 = 188,978,345.20 : x
  2. Step 2: Convert to fraction form
    649,025,167.60/973,537,751.40 = 188,978,345.20/x
  3. Step 3: Cross multiply
    649,025,167.60x = 973,537,751.40 × 188,978,345.20
  4. Step 4: Simplify right side
    649,025,167.60x = 183,977,553,249,300,960
  5. Step 5: Solve for x
    x = 183,977,553,249,300,960/649,025,167.60
  6. Step 6: Final answer
    x = 283,467,517.80

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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.