Home / 385,244,135.55-577,866,203.33-247,494,628.35

Finding the Fourth Proportional to 385,244,135.55, 577,866,203.33 and 247,494,628.35

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Solution

The fourth proportional to 385,244,135.55, 577,866,203.33 and 247,494,628.35 is: 371,241,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244,135.55 : 577,866,203.33 = 247,494,628.35 : x
  2. Step 2: Convert to fraction form
    385,244,135.55/577,866,203.33 = 247,494,628.35/x
  3. Step 3: Cross multiply
    385,244,135.55x = 577,866,203.33 × 247,494,628.35
  4. Step 4: Simplify right side
    385,244,135.55x = 143,018,781,227,946,416
  5. Step 5: Solve for x
    x = 143,018,781,227,946,416/385,244,135.55
  6. Step 6: Final answer
    x = 371,241,942.53

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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.