Home / 2,689,856,009.80-4,034,784,014.70-1,312,360,937.80

Finding the Fourth Proportional to 2,689,856,009.80, 4,034,784,014.70 and 1,312,360,937.80

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Solution

The fourth proportional to 2,689,856,009.80, 4,034,784,014.70 and 1,312,360,937.80 is: 1,968,541,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,856,009.80 : 4,034,784,014.70 = 1,312,360,937.80 : x
  2. Step 2: Convert to fraction form
    2,689,856,009.80/4,034,784,014.70 = 1,312,360,937.80/x
  3. Step 3: Cross multiply
    2,689,856,009.80x = 4,034,784,014.70 × 1,312,360,937.80
  4. Step 4: Simplify right side
    2,689,856,009.80x = 5,295,092,933,352,140,800
  5. Step 5: Solve for x
    x = 5,295,092,933,352,140,800/2,689,856,009.80
  6. Step 6: Final answer
    x = 1,968,541,406.70

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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.