Home / 2,079,506,020.40-3,120,453,424.20-787,968,407.60

Finding the Fourth Proportional to 2,079,506,020.40, 3,120,453,424.20 and 787,968,407.60

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Solution

The fourth proportional to 2,079,506,020.40, 3,120,453,424.20 and 787,968,407.60 is: 1,182,405,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,506,020.40 : 3,120,453,424.20 = 787,968,407.60 : x
  2. Step 2: Convert to fraction form
    2,079,506,020.40/3,120,453,424.20 = 787,968,407.60/x
  3. Step 3: Cross multiply
    2,079,506,020.40x = 3,120,453,424.20 × 787,968,407.60
  4. Step 4: Simplify right side
    2,079,506,020.40x = 2,458,818,715,656,841,216
  5. Step 5: Solve for x
    x = 2,458,818,715,656,841,216/2,079,506,020.40
  6. Step 6: Final answer
    x = 1,182,405,192.16

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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.