Home / 39,520,767,965,585-54,539,982,627,785-21,962,829,760,389

Finding the Fourth Proportional to 39,520,767,965,585, 54,539,982,627,785 and 21,962,829,760,389

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Solution

The fourth proportional to 39,520,767,965,585, 54,539,982,627,785 and 21,962,829,760,389 is: 30,309,440,207,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520,767,965,585 : 54,539,982,627,785 = 21,962,829,760,389 : x
  2. Step 2: Convert to fraction form
    39,520,767,965,585/54,539,982,627,785 = 21,962,829,760,389/x
  3. Step 3: Cross multiply
    39,520,767,965,585x = 54,539,982,627,785 × 21,962,829,760,389
  4. Step 4: Simplify right side
    39,520,767,965,585x = 1,197,852,353,588,615,455,889,686,528
  5. Step 5: Solve for x
    x = 1,197,852,353,588,615,455,889,686,528/39,520,767,965,585
  6. Step 6: Final answer
    x = 30,309,440,207,025.20

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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.