Home / 15,473,273,764.40-21,353,190,106.32-8,790,637,023.44

Finding the Fourth Proportional to 15,473,273,764.40, 21,353,190,106.32 and 8,790,637,023.44

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Solution

The fourth proportional to 15,473,273,764.40, 21,353,190,106.32 and 8,790,637,023.44 is: 12,131,120,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473,273,764.40 : 21,353,190,106.32 = 8,790,637,023.44 : x
  2. Step 2: Convert to fraction form
    15,473,273,764.40/21,353,190,106.32 = 8,790,637,023.44/x
  3. Step 3: Cross multiply
    15,473,273,764.40x = 21,353,190,106.32 × 8,790,637,023.44
  4. Step 4: Simplify right side
    15,473,273,764.40x = 187,708,143,517,169,319,936
  5. Step 5: Solve for x
    x = 187,708,143,517,169,319,936/15,473,273,764.40
  6. Step 6: Final answer
    x = 12,131,120,173.74

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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.