Home / 998,547,794.80-1,497,821,692.20-416,699,615.95

Finding the Fourth Proportional to 998,547,794.80, 1,497,821,692.20 and 416,699,615.95

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Solution

The fourth proportional to 998,547,794.80, 1,497,821,692.20 and 416,699,615.95 is: 625,049,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,547,794.80 : 1,497,821,692.20 = 416,699,615.95 : x
  2. Step 2: Convert to fraction form
    998,547,794.80/1,497,821,692.20 = 416,699,615.95/x
  3. Step 3: Cross multiply
    998,547,794.80x = 1,497,821,692.20 × 416,699,615.95
  4. Step 4: Simplify right side
    998,547,794.80x = 624,141,723,901,319,168
  5. Step 5: Solve for x
    x = 624,141,723,901,319,168/998,547,794.80
  6. Step 6: Final answer
    x = 625,049,423.93

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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.