Home / 3,903,451,871,982.40-5,386,691,115,446.40-2,145,563,829,209.20

Finding the Fourth Proportional to 3,903,451,871,982.40, 5,386,691,115,446.40 and 2,145,563,829,209.20

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Solution

The fourth proportional to 3,903,451,871,982.40, 5,386,691,115,446.40 and 2,145,563,829,209.20 is: 2,960,838,251,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,451,871,982.40 : 5,386,691,115,446.40 = 2,145,563,829,209.20 : x
  2. Step 2: Convert to fraction form
    3,903,451,871,982.40/5,386,691,115,446.40 = 2,145,563,829,209.20/x
  3. Step 3: Cross multiply
    3,903,451,871,982.40x = 5,386,691,115,446.40 × 2,145,563,829,209.20
  4. Step 4: Simplify right side
    3,903,451,871,982.40x = 11,557,489,616,424,355,506,421,760
  5. Step 5: Solve for x
    x = 11,557,489,616,424,355,506,421,760/3,903,451,871,982.40
  6. Step 6: Final answer
    x = 2,960,838,251,748.39

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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.