Home / 21,895,738,437.76-30,216,756,335.52-12,380,085,782.08

Finding the Fourth Proportional to 21,895,738,437.76, 30,216,756,335.52 and 12,380,085,782.08

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Solution

The fourth proportional to 21,895,738,437.76, 30,216,756,335.52 and 12,380,085,782.08 is: 17,084,878,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895,738,437.76 : 30,216,756,335.52 = 12,380,085,782.08 : x
  2. Step 2: Convert to fraction form
    21,895,738,437.76/30,216,756,335.52 = 12,380,085,782.08/x
  3. Step 3: Cross multiply
    21,895,738,437.76x = 30,216,756,335.52 × 12,380,085,782.08
  4. Step 4: Simplify right side
    21,895,738,437.76x = 374,086,035,489,946,927,104
  5. Step 5: Solve for x
    x = 374,086,035,489,946,927,104/21,895,738,437.76
  6. Step 6: Final answer
    x = 17,084,878,710.68

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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.