Home / 13,381,825,772.25-20,075,025,478.52-5,516,938,739.68

Finding the Fourth Proportional to 13,381,825,772.25, 20,075,025,478.52 and 5,516,938,739.68

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Solution

The fourth proportional to 13,381,825,772.25, 20,075,025,478.52 and 5,516,938,739.68 is: 8,276,350,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,825,772.25 : 20,075,025,478.52 = 5,516,938,739.68 : x
  2. Step 2: Convert to fraction form
    13,381,825,772.25/20,075,025,478.52 = 5,516,938,739.68/x
  3. Step 3: Cross multiply
    13,381,825,772.25x = 20,075,025,478.52 × 5,516,938,739.68
  4. Step 4: Simplify right side
    13,381,825,772.25x = 110,752,685,762,470,854,656
  5. Step 5: Solve for x
    x = 110,752,685,762,470,854,656/13,381,825,772.25
  6. Step 6: Final answer
    x = 8,276,350,899.15

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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.