Home / 575,339,930.60-863,121,870.30-166,409,421.80

Finding the Fourth Proportional to 575,339,930.60, 863,121,870.30 and 166,409,421.80

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Solution

The fourth proportional to 575,339,930.60, 863,121,870.30 and 166,409,421.80 is: 249,646,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,339,930.60 : 863,121,870.30 = 166,409,421.80 : x
  2. Step 2: Convert to fraction form
    575,339,930.60/863,121,870.30 = 166,409,421.80/x
  3. Step 3: Cross multiply
    575,339,930.60x = 863,121,870.30 × 166,409,421.80
  4. Step 4: Simplify right side
    575,339,930.60x = 143,631,611,379,557,600
  5. Step 5: Solve for x
    x = 143,631,611,379,557,600/575,339,930.60
  6. Step 6: Final answer
    x = 249,646,519.81

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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.