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Finding the Fourth Proportional to 450,522,078.30, 632,544,894.90 and 450,522,078.30

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Solution

The fourth proportional to 450,522,078.30, 632,544,894.90 and 450,522,078.30 is: 632,544,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,522,078.30 : 632,544,894.90 = 450,522,078.30 : x
  2. Step 2: Convert to fraction form
    450,522,078.30/632,544,894.90 = 450,522,078.30/x
  3. Step 3: Cross multiply
    450,522,078.30x = 632,544,894.90 × 450,522,078.30
  4. Step 4: Simplify right side
    450,522,078.30x = 284,975,440,668,403,072
  5. Step 5: Solve for x
    x = 284,975,440,668,403,072/450,522,078.30
  6. Step 6: Final answer
    x = 632,544,894.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.