Home / 570,657,054.15-855,715,745.61-221,066,860.62

Finding the Fourth Proportional to 570,657,054.15, 855,715,745.61 and 221,066,860.62

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Solution

The fourth proportional to 570,657,054.15, 855,715,745.61 and 221,066,860.62 is: 331,495,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,657,054.15 : 855,715,745.61 = 221,066,860.62 : x
  2. Step 2: Convert to fraction form
    570,657,054.15/855,715,745.61 = 221,066,860.62/x
  3. Step 3: Cross multiply
    570,657,054.15x = 855,715,745.61 × 221,066,860.62
  4. Step 4: Simplify right side
    570,657,054.15x = 189,170,393,465,105,248
  5. Step 5: Solve for x
    x = 189,170,393,465,105,248/570,657,054.15
  6. Step 6: Final answer
    x = 331,495,759.30

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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.