Home / 12,108,411,238.80-18,162,616,858.20-5,578,064,230.80

Finding the Fourth Proportional to 12,108,411,238.80, 18,162,616,858.20 and 5,578,064,230.80

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Solution

The fourth proportional to 12,108,411,238.80, 18,162,616,858.20 and 5,578,064,230.80 is: 8,367,096,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,411,238.80 : 18,162,616,858.20 = 5,578,064,230.80 : x
  2. Step 2: Convert to fraction form
    12,108,411,238.80/18,162,616,858.20 = 5,578,064,230.80/x
  3. Step 3: Cross multiply
    12,108,411,238.80x = 18,162,616,858.20 × 5,578,064,230.80
  4. Step 4: Simplify right side
    12,108,411,238.80x = 101,312,243,434,450,501,632
  5. Step 5: Solve for x
    x = 101,312,243,434,450,501,632/12,108,411,238.80
  6. Step 6: Final answer
    x = 8,367,096,346.20

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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.