Home / 6,897,835,886.40-10,346,753,829.60-1,990,669,780.80

Finding the Fourth Proportional to 6,897,835,886.40, 10,346,753,829.60 and 1,990,669,780.80

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Solution

The fourth proportional to 6,897,835,886.40, 10,346,753,829.60 and 1,990,669,780.80 is: 2,986,004,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,835,886.40 : 10,346,753,829.60 = 1,990,669,780.80 : x
  2. Step 2: Convert to fraction form
    6,897,835,886.40/10,346,753,829.60 = 1,990,669,780.80/x
  3. Step 3: Cross multiply
    6,897,835,886.40x = 10,346,753,829.60 × 1,990,669,780.80
  4. Step 4: Simplify right side
    6,897,835,886.40x = 20,596,970,177,961,394,176
  5. Step 5: Solve for x
    x = 20,596,970,177,961,394,176/6,897,835,886.40
  6. Step 6: Final answer
    x = 2,986,004,671.20

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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.