Home / 998,014,313.10-1,497,021,469.65-739,733,987.10

Finding the Fourth Proportional to 998,014,313.10, 1,497,021,469.65 and 739,733,987.10

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Solution

The fourth proportional to 998,014,313.10, 1,497,021,469.65 and 739,733,987.10 is: 1,109,600,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,014,313.10 : 1,497,021,469.65 = 739,733,987.10 : x
  2. Step 2: Convert to fraction form
    998,014,313.10/1,497,021,469.65 = 739,733,987.10/x
  3. Step 3: Cross multiply
    998,014,313.10x = 1,497,021,469.65 × 739,733,987.10
  4. Step 4: Simplify right side
    998,014,313.10x = 1,107,397,660,518,496,256
  5. Step 5: Solve for x
    x = 1,107,397,660,518,496,256/998,014,313.10
  6. Step 6: Final answer
    x = 1,109,600,980.65

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Half scale
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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.