Home / 5,153,197,631.61-7,715,395,136.23-2,783,870,233.68

Finding the Fourth Proportional to 5,153,197,631.61, 7,715,395,136.23 and 2,783,870,233.68

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Solution

The fourth proportional to 5,153,197,631.61, 7,715,395,136.23 and 2,783,870,233.68 is: 4,168,025,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,197,631.61 : 7,715,395,136.23 = 2,783,870,233.68 : x
  2. Step 2: Convert to fraction form
    5,153,197,631.61/7,715,395,136.23 = 2,783,870,233.68/x
  3. Step 3: Cross multiply
    5,153,197,631.61x = 7,715,395,136.23 × 2,783,870,233.68
  4. Step 4: Simplify right side
    5,153,197,631.61x = 21,478,658,860,830,142,464
  5. Step 5: Solve for x
    x = 21,478,658,860,830,142,464/5,153,197,631.61
  6. Step 6: Final answer
    x = 4,168,025,446.78

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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.