Home / 437,018,947.80-655,528,421.70-299,269,440.60

Finding the Fourth Proportional to 437,018,947.80, 655,528,421.70 and 299,269,440.60

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Solution

The fourth proportional to 437,018,947.80, 655,528,421.70 and 299,269,440.60 is: 448,904,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,018,947.80 : 655,528,421.70 = 299,269,440.60 : x
  2. Step 2: Convert to fraction form
    437,018,947.80/655,528,421.70 = 299,269,440.60/x
  3. Step 3: Cross multiply
    437,018,947.80x = 655,528,421.70 × 299,269,440.60
  4. Step 4: Simplify right side
    437,018,947.80x = 196,179,624,059,559,936
  5. Step 5: Solve for x
    x = 196,179,624,059,559,936/437,018,947.80
  6. Step 6: Final answer
    x = 448,904,160.90

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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.