Home / 21,999,748,682.88-30,360,386,512.96-12,356,178,087.04

Finding the Fourth Proportional to 21,999,748,682.88, 30,360,386,512.96 and 12,356,178,087.04

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Solution

The fourth proportional to 21,999,748,682.88, 30,360,386,512.96 and 12,356,178,087.04 is: 17,051,937,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,748,682.88 : 30,360,386,512.96 = 12,356,178,087.04 : x
  2. Step 2: Convert to fraction form
    21,999,748,682.88/30,360,386,512.96 = 12,356,178,087.04/x
  3. Step 3: Cross multiply
    21,999,748,682.88x = 30,360,386,512.96 × 12,356,178,087.04
  4. Step 4: Simplify right side
    21,999,748,682.88x = 375,138,342,545,501,126,656
  5. Step 5: Solve for x
    x = 375,138,342,545,501,126,656/21,999,748,682.88
  6. Step 6: Final answer
    x = 17,051,937,635.88

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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.