Home / 436,627,219.80-654,940,829.70-400,914,384.60

Finding the Fourth Proportional to 436,627,219.80, 654,940,829.70 and 400,914,384.60

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Solution

The fourth proportional to 436,627,219.80, 654,940,829.70 and 400,914,384.60 is: 601,371,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,627,219.80 : 654,940,829.70 = 400,914,384.60 : x
  2. Step 2: Convert to fraction form
    436,627,219.80/654,940,829.70 = 400,914,384.60/x
  3. Step 3: Cross multiply
    436,627,219.80x = 654,940,829.70 × 400,914,384.60
  4. Step 4: Simplify right side
    436,627,219.80x = 262,575,199,688,588,928
  5. Step 5: Solve for x
    x = 262,575,199,688,588,928/436,627,219.80
  6. Step 6: Final answer
    x = 601,371,576.90

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1.5x scale

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.