Home / 998,973,002.10-1,498,459,503.15-983,667,501.30

Finding the Fourth Proportional to 998,973,002.10, 1,498,459,503.15 and 983,667,501.30

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Solution

The fourth proportional to 998,973,002.10, 1,498,459,503.15 and 983,667,501.30 is: 1,475,501,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,973,002.10 : 1,498,459,503.15 = 983,667,501.30 : x
  2. Step 2: Convert to fraction form
    998,973,002.10/1,498,459,503.15 = 983,667,501.30/x
  3. Step 3: Cross multiply
    998,973,002.10x = 1,498,459,503.15 × 983,667,501.30
  4. Step 4: Simplify right side
    998,973,002.10x = 1,473,985,915,262,800,128
  5. Step 5: Solve for x
    x = 1,473,985,915,262,800,128/998,973,002.10
  6. Step 6: Final answer
    x = 1,475,501,251.95

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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.