Home / 545,730,235.60-818,630,782.80-287,449,909.60

Finding the Fourth Proportional to 545,730,235.60, 818,630,782.80 and 287,449,909.60

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Solution

The fourth proportional to 545,730,235.60, 818,630,782.80 and 287,449,909.60 is: 431,193,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,730,235.60 : 818,630,782.80 = 287,449,909.60 : x
  2. Step 2: Convert to fraction form
    545,730,235.60/818,630,782.80 = 287,449,909.60/x
  3. Step 3: Cross multiply
    545,730,235.60x = 818,630,782.80 × 287,449,909.60
  4. Step 4: Simplify right side
    545,730,235.60x = 235,315,344,511,637,248
  5. Step 5: Solve for x
    x = 235,315,344,511,637,248/545,730,235.60
  6. Step 6: Final answer
    x = 431,193,525.96

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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.