Home / 12,757,531,487.40-19,136,297,231.10-7,834,241,068.20

Finding the Fourth Proportional to 12,757,531,487.40, 19,136,297,231.10 and 7,834,241,068.20

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Solution

The fourth proportional to 12,757,531,487.40, 19,136,297,231.10 and 7,834,241,068.20 is: 11,751,361,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,531,487.40 : 19,136,297,231.10 = 7,834,241,068.20 : x
  2. Step 2: Convert to fraction form
    12,757,531,487.40/19,136,297,231.10 = 7,834,241,068.20/x
  3. Step 3: Cross multiply
    12,757,531,487.40x = 19,136,297,231.10 × 7,834,241,068.20
  4. Step 4: Simplify right side
    12,757,531,487.40x = 149,918,365,661,165,551,616
  5. Step 5: Solve for x
    x = 149,918,365,661,165,551,616/12,757,531,487.40
  6. Step 6: Final answer
    x = 11,751,361,602.30

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Double scale
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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.