Home / 19,665,655,347.40-29,498,483,021.10-17,599,412,739.40

Finding the Fourth Proportional to 19,665,655,347.40, 29,498,483,021.10 and 17,599,412,739.40

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Solution

The fourth proportional to 19,665,655,347.40, 29,498,483,021.10 and 17,599,412,739.40 is: 26,399,119,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665,655,347.40 : 29,498,483,021.10 = 17,599,412,739.40 : x
  2. Step 2: Convert to fraction form
    19,665,655,347.40/29,498,483,021.10 = 17,599,412,739.40/x
  3. Step 3: Cross multiply
    19,665,655,347.40x = 29,498,483,021.10 × 17,599,412,739.40
  4. Step 4: Simplify right side
    19,665,655,347.40x = 519,155,977,874,521,980,928
  5. Step 5: Solve for x
    x = 519,155,977,874,521,980,928/19,665,655,347.40
  6. Step 6: Final answer
    x = 26,399,119,109.10

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Double scale
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Similar ratio
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1.5x scale

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.