Home / 38,338,815,585.24-52,909,609,264.38-21,422,873,770.20

Finding the Fourth Proportional to 38,338,815,585.24, 52,909,609,264.38 and 21,422,873,770.20

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Solution

The fourth proportional to 38,338,815,585.24, 52,909,609,264.38 and 21,422,873,770.20 is: 29,564,707,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338,815,585.24 : 52,909,609,264.38 = 21,422,873,770.20 : x
  2. Step 2: Convert to fraction form
    38,338,815,585.24/52,909,609,264.38 = 21,422,873,770.20/x
  3. Step 3: Cross multiply
    38,338,815,585.24x = 52,909,609,264.38 × 21,422,873,770.20
  4. Step 4: Simplify right side
    38,338,815,585.24x = 1,133,475,880,501,417,213,952
  5. Step 5: Solve for x
    x = 1,133,475,880,501,417,213,952/38,338,815,585.24
  6. Step 6: Final answer
    x = 29,564,707,808.50

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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.