Home / 18,880,128,004.20-28,320,192,006.30-9,084,607,492.20

Finding the Fourth Proportional to 18,880,128,004.20, 28,320,192,006.30 and 9,084,607,492.20

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Solution

The fourth proportional to 18,880,128,004.20, 28,320,192,006.30 and 9,084,607,492.20 is: 13,626,911,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,128,004.20 : 28,320,192,006.30 = 9,084,607,492.20 : x
  2. Step 2: Convert to fraction form
    18,880,128,004.20/28,320,192,006.30 = 9,084,607,492.20/x
  3. Step 3: Cross multiply
    18,880,128,004.20x = 28,320,192,006.30 × 9,084,607,492.20
  4. Step 4: Simplify right side
    18,880,128,004.20x = 257,277,828,480,975,536,128
  5. Step 5: Solve for x
    x = 257,277,828,480,975,536,128/18,880,128,004.20
  6. Step 6: Final answer
    x = 13,626,911,238.30

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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.