Home / 12,019,968,016.20-18,029,952,024.30-9,841,394,089.80

Finding the Fourth Proportional to 12,019,968,016.20, 18,029,952,024.30 and 9,841,394,089.80

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Solution

The fourth proportional to 12,019,968,016.20, 18,029,952,024.30 and 9,841,394,089.80 is: 14,762,091,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,968,016.20 : 18,029,952,024.30 = 9,841,394,089.80 : x
  2. Step 2: Convert to fraction form
    12,019,968,016.20/18,029,952,024.30 = 9,841,394,089.80/x
  3. Step 3: Cross multiply
    12,019,968,016.20x = 18,029,952,024.30 × 9,841,394,089.80
  4. Step 4: Simplify right side
    12,019,968,016.20x = 177,439,863,291,323,547,648
  5. Step 5: Solve for x
    x = 177,439,863,291,323,547,648/12,019,968,016.20
  6. Step 6: Final answer
    x = 14,762,091,134.70

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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.