Home / 13,437,041,531.80-20,155,562,297.70-12,211,593,698.20

Finding the Fourth Proportional to 13,437,041,531.80, 20,155,562,297.70 and 12,211,593,698.20

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Solution

The fourth proportional to 13,437,041,531.80, 20,155,562,297.70 and 12,211,593,698.20 is: 18,317,390,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,041,531.80 : 20,155,562,297.70 = 12,211,593,698.20 : x
  2. Step 2: Convert to fraction form
    13,437,041,531.80/20,155,562,297.70 = 12,211,593,698.20/x
  3. Step 3: Cross multiply
    13,437,041,531.80x = 20,155,562,297.70 × 12,211,593,698.20
  4. Step 4: Simplify right side
    13,437,041,531.80x = 246,131,537,538,270,855,168
  5. Step 5: Solve for x
    x = 246,131,537,538,270,855,168/13,437,041,531.80
  6. Step 6: Final answer
    x = 18,317,390,547.30

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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.