Home / 6,378,977,892.20-9,570,258,428.70-3,107,533,821.80

Finding the Fourth Proportional to 6,378,977,892.20, 9,570,258,428.70 and 3,107,533,821.80

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Solution

The fourth proportional to 6,378,977,892.20, 9,570,258,428.70 and 3,107,533,821.80 is: 4,662,173,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,977,892.20 : 9,570,258,428.70 = 3,107,533,821.80 : x
  2. Step 2: Convert to fraction form
    6,378,977,892.20/9,570,258,428.70 = 3,107,533,821.80/x
  3. Step 3: Cross multiply
    6,378,977,892.20x = 9,570,258,428.70 × 3,107,533,821.80
  4. Step 4: Simplify right side
    6,378,977,892.20x = 29,739,901,750,551,777,280
  5. Step 5: Solve for x
    x = 29,739,901,750,551,777,280/6,378,977,892.20
  6. Step 6: Final answer
    x = 4,662,173,510.10

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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.