Home / 216,553,943,507.20-298,875,519,069.48-129,749,941,270.59

Finding the Fourth Proportional to 216,553,943,507.20, 298,875,519,069.48 and 129,749,941,270.59

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Solution

The fourth proportional to 216,553,943,507.20, 298,875,519,069.48 and 129,749,941,270.59 is: 179,073,538,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,553,943,507.20 : 298,875,519,069.48 = 129,749,941,270.59 : x
  2. Step 2: Convert to fraction form
    216,553,943,507.20/298,875,519,069.48 = 129,749,941,270.59/x
  3. Step 3: Cross multiply
    216,553,943,507.20x = 298,875,519,069.48 × 129,749,941,270.59
  4. Step 4: Simplify right side
    216,553,943,507.20x = 38,779,081,046,482,126,635,008
  5. Step 5: Solve for x
    x = 38,779,081,046,482,126,635,008/216,553,943,507.20
  6. Step 6: Final answer
    x = 179,073,538,991.88

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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.