Home / 1,022,109,485.15-1,533,164,052.76-323,092,321.49

Finding the Fourth Proportional to 1,022,109,485.15, 1,533,164,052.76 and 323,092,321.49

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Solution

The fourth proportional to 1,022,109,485.15, 1,533,164,052.76 and 323,092,321.49 is: 484,638,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,109,485.15 : 1,533,164,052.76 = 323,092,321.49 : x
  2. Step 2: Convert to fraction form
    1,022,109,485.15/1,533,164,052.76 = 323,092,321.49/x
  3. Step 3: Cross multiply
    1,022,109,485.15x = 1,533,164,052.76 × 323,092,321.49
  4. Step 4: Simplify right side
    1,022,109,485.15x = 495,353,533,022,771,712
  5. Step 5: Solve for x
    x = 495,353,533,022,771,712/1,022,109,485.15
  6. Step 6: Final answer
    x = 484,638,426.92

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Double scale
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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.