Home / 404,352,400.80-606,528,601.20-162,189,098.40

Finding the Fourth Proportional to 404,352,400.80, 606,528,601.20 and 162,189,098.40

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Solution

The fourth proportional to 404,352,400.80, 606,528,601.20 and 162,189,098.40 is: 243,283,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352,400.80 : 606,528,601.20 = 162,189,098.40 : x
  2. Step 2: Convert to fraction form
    404,352,400.80/606,528,601.20 = 162,189,098.40/x
  3. Step 3: Cross multiply
    404,352,400.80x = 606,528,601.20 × 162,189,098.40
  4. Step 4: Simplify right side
    404,352,400.80x = 98,372,326,982,441,168
  5. Step 5: Solve for x
    x = 98,372,326,982,441,168/404,352,400.80
  6. Step 6: Final answer
    x = 243,283,647.60

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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.