Home / 758,238,056.55-1,137,357,084.83-628,991,605.35

Finding the Fourth Proportional to 758,238,056.55, 1,137,357,084.83 and 628,991,605.35

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Solution

The fourth proportional to 758,238,056.55, 1,137,357,084.83 and 628,991,605.35 is: 943,487,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238,056.55 : 1,137,357,084.83 = 628,991,605.35 : x
  2. Step 2: Convert to fraction form
    758,238,056.55/1,137,357,084.83 = 628,991,605.35/x
  3. Step 3: Cross multiply
    758,238,056.55x = 1,137,357,084.83 × 628,991,605.35
  4. Step 4: Simplify right side
    758,238,056.55x = 715,388,058,640,272,896
  5. Step 5: Solve for x
    x = 715,388,058,640,272,896/758,238,056.55
  6. Step 6: Final answer
    x = 943,487,408.03

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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.