Home / 21,894,242,585.51-30,215,227,911.66-12,248,397,137.72

Finding the Fourth Proportional to 21,894,242,585.51, 30,215,227,911.66 and 12,248,397,137.72

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Solution

The fourth proportional to 21,894,242,585.51, 30,215,227,911.66 and 12,248,397,137.72 is: 16,903,444,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894,242,585.51 : 30,215,227,911.66 = 12,248,397,137.72 : x
  2. Step 2: Convert to fraction form
    21,894,242,585.51/30,215,227,911.66 = 12,248,397,137.72/x
  3. Step 3: Cross multiply
    21,894,242,585.51x = 30,215,227,911.66 × 12,248,397,137.72
  4. Step 4: Simplify right side
    21,894,242,585.51x = 370,088,111,068,582,707,200
  5. Step 5: Solve for x
    x = 370,088,111,068,582,707,200/21,894,242,585.51
  6. Step 6: Final answer
    x = 16,903,444,347.22

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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.