Home / 645,798,692,355.57-891,202,552,963.20-348,826,477,103.61

Finding the Fourth Proportional to 645,798,692,355.57, 891,202,552,963.20 and 348,826,477,103.61

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Solution

The fourth proportional to 645,798,692,355.57, 891,202,552,963.20 and 348,826,477,103.61 is: 481,380,731,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,798,692,355.57 : 891,202,552,963.20 = 348,826,477,103.61 : x
  2. Step 2: Convert to fraction form
    645,798,692,355.57/891,202,552,963.20 = 348,826,477,103.61/x
  3. Step 3: Cross multiply
    645,798,692,355.57x = 891,202,552,963.20 × 348,826,477,103.61
  4. Step 4: Simplify right side
    645,798,692,355.57x = 310,875,046,935,896,455,643,136
  5. Step 5: Solve for x
    x = 310,875,046,935,896,455,643,136/645,798,692,355.57
  6. Step 6: Final answer
    x = 481,380,731,512.43

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.