Home / 550,013,235,817-759,018,301,921.20-306,137,470,979.30

Finding the Fourth Proportional to 550,013,235,817, 759,018,301,921.20 and 306,137,470,979.30

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Solution

The fourth proportional to 550,013,235,817, 759,018,301,921.20 and 306,137,470,979.30 is: 422,469,730,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,013,235,817 : 759,018,301,921.20 = 306,137,470,979.30 : x
  2. Step 2: Convert to fraction form
    550,013,235,817/759,018,301,921.20 = 306,137,470,979.30/x
  3. Step 3: Cross multiply
    550,013,235,817x = 759,018,301,921.20 × 306,137,470,979.30
  4. Step 4: Simplify right side
    550,013,235,817x = 232,363,943,377,158,912,606,208
  5. Step 5: Solve for x
    x = 232,363,943,377,158,912,606,208/550,013,235,817
  6. Step 6: Final answer
    x = 422,469,730,263.86

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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.