Home / 4,960,116,171.40-7,440,174,257.10-2,778,798,872.20

Finding the Fourth Proportional to 4,960,116,171.40, 7,440,174,257.10 and 2,778,798,872.20

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Solution

The fourth proportional to 4,960,116,171.40, 7,440,174,257.10 and 2,778,798,872.20 is: 4,168,198,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960,116,171.40 : 7,440,174,257.10 = 2,778,798,872.20 : x
  2. Step 2: Convert to fraction form
    4,960,116,171.40/7,440,174,257.10 = 2,778,798,872.20/x
  3. Step 3: Cross multiply
    4,960,116,171.40x = 7,440,174,257.10 × 2,778,798,872.20
  4. Step 4: Simplify right side
    4,960,116,171.40x = 20,674,747,834,600,951,808
  5. Step 5: Solve for x
    x = 20,674,747,834,600,951,808/4,960,116,171.40
  6. Step 6: Final answer
    x = 4,168,198,308.30

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Double scale
Find fourth proportional to 4,960,116,172.40, 7,440,174,258.60 and 2,778,798,873.20
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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.