Home / 480,169,500.18-662,431,002.21-321,450,756.93

Finding the Fourth Proportional to 480,169,500.18, 662,431,002.21 and 321,450,756.93

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Solution

The fourth proportional to 480,169,500.18, 662,431,002.21 and 321,450,756.93 is: 443,466,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,169,500.18 : 662,431,002.21 = 321,450,756.93 : x
  2. Step 2: Convert to fraction form
    480,169,500.18/662,431,002.21 = 321,450,756.93/x
  3. Step 3: Cross multiply
    480,169,500.18x = 662,431,002.21 × 321,450,756.93
  4. Step 4: Simplify right side
    480,169,500.18x = 212,938,947,074,303,008
  5. Step 5: Solve for x
    x = 212,938,947,074,303,008/480,169,500.18
  6. Step 6: Final answer
    x = 443,466,207.23

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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.