Home / 22,381,053,478.86-30,888,562,145.07-12,738,127,987.02

Finding the Fourth Proportional to 22,381,053,478.86, 30,888,562,145.07 and 12,738,127,987.02

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Solution

The fourth proportional to 22,381,053,478.86, 30,888,562,145.07 and 12,738,127,987.02 is: 17,580,158,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381,053,478.86 : 30,888,562,145.07 = 12,738,127,987.02 : x
  2. Step 2: Convert to fraction form
    22,381,053,478.86/30,888,562,145.07 = 12,738,127,987.02/x
  3. Step 3: Cross multiply
    22,381,053,478.86x = 30,888,562,145.07 × 12,738,127,987.02
  4. Step 4: Simplify right side
    22,381,053,478.86x = 393,462,457,938,922,700,800
  5. Step 5: Solve for x
    x = 393,462,457,938,922,700,800/22,381,053,478.86
  6. Step 6: Final answer
    x = 17,580,158,070.33

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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.