Home / 480,169,484.04-662,430,982.76-321,450,743.72

Finding the Fourth Proportional to 480,169,484.04, 662,430,982.76 and 321,450,743.72

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Solution

The fourth proportional to 480,169,484.04, 662,430,982.76 and 321,450,743.72 is: 443,466,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,169,484.04 : 662,430,982.76 = 321,450,743.72 : x
  2. Step 2: Convert to fraction form
    480,169,484.04/662,430,982.76 = 321,450,743.72/x
  3. Step 3: Cross multiply
    480,169,484.04x = 662,430,982.76 × 321,450,743.72
  4. Step 4: Simplify right side
    480,169,484.04x = 212,938,932,071,372,512
  5. Step 5: Solve for x
    x = 212,938,932,071,372,512/480,169,484.04
  6. Step 6: Final answer
    x = 443,466,190.90

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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.