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Finding the Fourth Proportional to 563,803,303.90, 845,737,274.55 and 149,269,353.53

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Solution

The fourth proportional to 563,803,303.90, 845,737,274.55 and 149,269,353.53 is: 223,912,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,803,303.90 : 845,737,274.55 = 149,269,353.53 : x
  2. Step 2: Convert to fraction form
    563,803,303.90/845,737,274.55 = 149,269,353.53/x
  3. Step 3: Cross multiply
    563,803,303.90x = 845,737,274.55 × 149,269,353.53
  4. Step 4: Simplify right side
    563,803,303.90x = 126,242,656,228,302,608
  5. Step 5: Solve for x
    x = 126,242,656,228,302,608/563,803,303.90
  6. Step 6: Final answer
    x = 223,912,586.81

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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.