Home / 18,849,390,459.20-26,012,237,402.40-10,391,028,418.88

Finding the Fourth Proportional to 18,849,390,459.20, 26,012,237,402.40 and 10,391,028,418.88

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Solution

The fourth proportional to 18,849,390,459.20, 26,012,237,402.40 and 10,391,028,418.88 is: 14,339,662,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849,390,459.20 : 26,012,237,402.40 = 10,391,028,418.88 : x
  2. Step 2: Convert to fraction form
    18,849,390,459.20/26,012,237,402.40 = 10,391,028,418.88/x
  3. Step 3: Cross multiply
    18,849,390,459.20x = 26,012,237,402.40 × 10,391,028,418.88
  4. Step 4: Simplify right side
    18,849,390,459.20x = 270,293,898,086,991,659,008
  5. Step 5: Solve for x
    x = 270,293,898,086,991,659,008/18,849,390,459.20
  6. Step 6: Final answer
    x = 14,339,662,530.31

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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.