Home / 377,878,997.40-566,818,496.10-313,308,915.90

Finding the Fourth Proportional to 377,878,997.40, 566,818,496.10 and 313,308,915.90

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Solution

The fourth proportional to 377,878,997.40, 566,818,496.10 and 313,308,915.90 is: 469,963,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,878,997.40 : 566,818,496.10 = 313,308,915.90 : x
  2. Step 2: Convert to fraction form
    377,878,997.40/566,818,496.10 = 313,308,915.90/x
  3. Step 3: Cross multiply
    377,878,997.40x = 566,818,496.10 × 313,308,915.90
  4. Step 4: Simplify right side
    377,878,997.40x = 177,589,288,525,159,360
  5. Step 5: Solve for x
    x = 177,589,288,525,159,360/377,878,997.40
  6. Step 6: Final answer
    x = 469,963,373.85

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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.