Home / 613,628,348.27-920,442,534.63-147,289,772.25

Finding the Fourth Proportional to 613,628,348.27, 920,442,534.63 and 147,289,772.25

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Solution

The fourth proportional to 613,628,348.27, 920,442,534.63 and 147,289,772.25 is: 220,934,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,628,348.27 : 920,442,534.63 = 147,289,772.25 : x
  2. Step 2: Convert to fraction form
    613,628,348.27/920,442,534.63 = 147,289,772.25/x
  3. Step 3: Cross multiply
    613,628,348.27x = 920,442,534.63 × 147,289,772.25
  4. Step 4: Simplify right side
    613,628,348.27x = 135,571,771,295,139,392
  5. Step 5: Solve for x
    x = 135,571,771,295,139,392/613,628,348.27
  6. Step 6: Final answer
    x = 220,934,661.31

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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.