Home / 423,725,162,693.76-635,666,081,227.20-121,525,113,582.72

Finding the Fourth Proportional to 423,725,162,693.76, 635,666,081,227.20 and 121,525,113,582.72

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Solution

The fourth proportional to 423,725,162,693.76, 635,666,081,227.20 and 121,525,113,582.72 is: 182,310,137,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,725,162,693.76 : 635,666,081,227.20 = 121,525,113,582.72 : x
  2. Step 2: Convert to fraction form
    423,725,162,693.76/635,666,081,227.20 = 121,525,113,582.72/x
  3. Step 3: Cross multiply
    423,725,162,693.76x = 635,666,081,227.20 × 121,525,113,582.72
  4. Step 4: Simplify right side
    423,725,162,693.76x = 77,249,392,721,817,986,138,112
  5. Step 5: Solve for x
    x = 77,249,392,721,817,986,138,112/423,725,162,693.76
  6. Step 6: Final answer
    x = 182,310,137,615.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.