Home / 368,801,830.80-553,202,746.20-347,638,669.20

Finding the Fourth Proportional to 368,801,830.80, 553,202,746.20 and 347,638,669.20

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Solution

The fourth proportional to 368,801,830.80, 553,202,746.20 and 347,638,669.20 is: 521,458,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,801,830.80 : 553,202,746.20 = 347,638,669.20 : x
  2. Step 2: Convert to fraction form
    368,801,830.80/553,202,746.20 = 347,638,669.20/x
  3. Step 3: Cross multiply
    368,801,830.80x = 553,202,746.20 × 347,638,669.20
  4. Step 4: Simplify right side
    368,801,830.80x = 192,314,666,486,753,376
  5. Step 5: Solve for x
    x = 192,314,666,486,753,376/368,801,830.80
  6. Step 6: Final answer
    x = 521,458,003.80

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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.