Home / 10,631,036,012.60-15,946,554,018.90-5,108,962,489.40

Finding the Fourth Proportional to 10,631,036,012.60, 15,946,554,018.90 and 5,108,962,489.40

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Solution

The fourth proportional to 10,631,036,012.60, 15,946,554,018.90 and 5,108,962,489.40 is: 7,663,443,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,036,012.60 : 15,946,554,018.90 = 5,108,962,489.40 : x
  2. Step 2: Convert to fraction form
    10,631,036,012.60/15,946,554,018.90 = 5,108,962,489.40/x
  3. Step 3: Cross multiply
    10,631,036,012.60x = 15,946,554,018.90 × 5,108,962,489.40
  4. Step 4: Simplify right side
    10,631,036,012.60x = 81,470,346,317,750,910,976
  5. Step 5: Solve for x
    x = 81,470,346,317,750,910,976/10,631,036,012.60
  6. Step 6: Final answer
    x = 7,663,443,734.10

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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.