Home / 15,473,273,828.68-21,353,190,194.98-8,790,637,087.72

Finding the Fourth Proportional to 15,473,273,828.68, 21,353,190,194.98 and 8,790,637,087.72

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Solution

The fourth proportional to 15,473,273,828.68, 21,353,190,194.98 and 8,790,637,087.72 is: 12,131,120,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473,273,828.68 : 21,353,190,194.98 = 8,790,637,087.72 : x
  2. Step 2: Convert to fraction form
    15,473,273,828.68/21,353,190,194.98 = 8,790,637,087.72/x
  3. Step 3: Cross multiply
    15,473,273,828.68x = 21,353,190,194.98 × 8,790,637,087.72
  4. Step 4: Simplify right side
    15,473,273,828.68x = 187,708,145,669,130,223,616
  5. Step 5: Solve for x
    x = 187,708,145,669,130,223,616/15,473,273,828.68
  6. Step 6: Final answer
    x = 12,131,120,262.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.