Home / 13,531,488,193.80-20,297,232,290.70-12,613,158,145.80

Finding the Fourth Proportional to 13,531,488,193.80, 20,297,232,290.70 and 12,613,158,145.80

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Solution

The fourth proportional to 13,531,488,193.80, 20,297,232,290.70 and 12,613,158,145.80 is: 18,919,737,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,488,193.80 : 20,297,232,290.70 = 12,613,158,145.80 : x
  2. Step 2: Convert to fraction form
    13,531,488,193.80/20,297,232,290.70 = 12,613,158,145.80/x
  3. Step 3: Cross multiply
    13,531,488,193.80x = 20,297,232,290.70 × 12,613,158,145.80
  4. Step 4: Simplify right side
    13,531,488,193.80x = 256,012,200,804,637,507,584
  5. Step 5: Solve for x
    x = 256,012,200,804,637,507,584/13,531,488,193.80
  6. Step 6: Final answer
    x = 18,919,737,218.70

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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.