Home / 550,656,070.60-824,988,777.90-320,436,704.20

Finding the Fourth Proportional to 550,656,070.60, 824,988,777.90 and 320,436,704.20

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Solution

The fourth proportional to 550,656,070.60, 824,988,777.90 and 320,436,704.20 is: 480,075,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,656,070.60 : 824,988,777.90 = 320,436,704.20 : x
  2. Step 2: Convert to fraction form
    550,656,070.60/824,988,777.90 = 320,436,704.20/x
  3. Step 3: Cross multiply
    550,656,070.60x = 824,988,777.90 × 320,436,704.20
  4. Step 4: Simplify right side
    550,656,070.60x = 264,356,684,992,261,792
  5. Step 5: Solve for x
    x = 264,356,684,992,261,792/550,656,070.60
  6. Step 6: Final answer
    x = 480,075,856.98

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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.