Home / 907,618,131.65-1,361,823,193.55-317,831,679.98

Finding the Fourth Proportional to 907,618,131.65, 1,361,823,193.55 and 317,831,679.98

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Solution

The fourth proportional to 907,618,131.65, 1,361,823,193.55 and 317,831,679.98 is: 476,886,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,618,131.65 : 1,361,823,193.55 = 317,831,679.98 : x
  2. Step 2: Convert to fraction form
    907,618,131.65/1,361,823,193.55 = 317,831,679.98/x
  3. Step 3: Cross multiply
    907,618,131.65x = 1,361,823,193.55 × 317,831,679.98
  4. Step 4: Simplify right side
    907,618,131.65x = 432,830,553,443,540,672
  5. Step 5: Solve for x
    x = 432,830,553,443,540,672/907,618,131.65
  6. Step 6: Final answer
    x = 476,886,190.73

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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.