Home / 553,131,784.80-829,697,677.20-277,632,770.40

Finding the Fourth Proportional to 553,131,784.80, 829,697,677.20 and 277,632,770.40

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Solution

The fourth proportional to 553,131,784.80, 829,697,677.20 and 277,632,770.40 is: 416,449,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,131,784.80 : 829,697,677.20 = 277,632,770.40 : x
  2. Step 2: Convert to fraction form
    553,131,784.80/829,697,677.20 = 277,632,770.40/x
  3. Step 3: Cross multiply
    553,131,784.80x = 829,697,677.20 × 277,632,770.40
  4. Step 4: Simplify right side
    553,131,784.80x = 230,351,264,715,480,896
  5. Step 5: Solve for x
    x = 230,351,264,715,480,896/553,131,784.80
  6. Step 6: Final answer
    x = 416,449,155.60

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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.