Home / 998,972,901.10-1,498,459,351.65-983,667,400.30

Finding the Fourth Proportional to 998,972,901.10, 1,498,459,351.65 and 983,667,400.30

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Solution

The fourth proportional to 998,972,901.10, 1,498,459,351.65 and 983,667,400.30 is: 1,475,501,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,972,901.10 : 1,498,459,351.65 = 983,667,400.30 : x
  2. Step 2: Convert to fraction form
    998,972,901.10/1,498,459,351.65 = 983,667,400.30/x
  3. Step 3: Cross multiply
    998,972,901.10x = 1,498,459,351.65 × 983,667,400.30
  4. Step 4: Simplify right side
    998,972,901.10x = 1,473,985,614,892,779,008
  5. Step 5: Solve for x
    x = 1,473,985,614,892,779,008/998,972,901.10
  6. Step 6: Final answer
    x = 1,475,501,100.45

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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.