Home / 758,238,056.80-1,137,357,085.20-628,991,605.60

Finding the Fourth Proportional to 758,238,056.80, 1,137,357,085.20 and 628,991,605.60

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Solution

The fourth proportional to 758,238,056.80, 1,137,357,085.20 and 628,991,605.60 is: 943,487,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238,056.80 : 1,137,357,085.20 = 628,991,605.60 : x
  2. Step 2: Convert to fraction form
    758,238,056.80/1,137,357,085.20 = 628,991,605.60/x
  3. Step 3: Cross multiply
    758,238,056.80x = 1,137,357,085.20 × 628,991,605.60
  4. Step 4: Simplify right side
    758,238,056.80x = 715,388,059,160,484,096
  5. Step 5: Solve for x
    x = 715,388,059,160,484,096/758,238,056.80
  6. Step 6: Final answer
    x = 943,487,408.40

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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.