Home / 19,840,464,007.60-29,760,696,011.40-11,115,194,810.80

Finding the Fourth Proportional to 19,840,464,007.60, 29,760,696,011.40 and 11,115,194,810.80

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Solution

The fourth proportional to 19,840,464,007.60, 29,760,696,011.40 and 11,115,194,810.80 is: 16,672,792,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840,464,007.60 : 29,760,696,011.40 = 11,115,194,810.80 : x
  2. Step 2: Convert to fraction form
    19,840,464,007.60/29,760,696,011.40 = 11,115,194,810.80/x
  3. Step 3: Cross multiply
    19,840,464,007.60x = 29,760,696,011.40 × 11,115,194,810.80
  4. Step 4: Simplify right side
    19,840,464,007.60x = 330,795,933,871,709,552,640
  5. Step 5: Solve for x
    x = 330,795,933,871,709,552,640/19,840,464,007.60
  6. Step 6: Final answer
    x = 16,672,792,216.20

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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.