Home / 998,972,901.60-1,498,459,352.40-983,667,400.80

Finding the Fourth Proportional to 998,972,901.60, 1,498,459,352.40 and 983,667,400.80

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Solution

The fourth proportional to 998,972,901.60, 1,498,459,352.40 and 983,667,400.80 is: 1,475,501,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,972,901.60 : 1,498,459,352.40 = 983,667,400.80 : x
  2. Step 2: Convert to fraction form
    998,972,901.60/1,498,459,352.40 = 983,667,400.80/x
  3. Step 3: Cross multiply
    998,972,901.60x = 1,498,459,352.40 × 983,667,400.80
  4. Step 4: Simplify right side
    998,972,901.60x = 1,473,985,616,379,759,360
  5. Step 5: Solve for x
    x = 1,473,985,616,379,759,360/998,972,901.60
  6. Step 6: Final answer
    x = 1,475,501,101.20

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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.