Home / 13,342,009,613.31-18,412,008,231.02-7,238,361,856.23

Finding the Fourth Proportional to 13,342,009,613.31, 18,412,008,231.02 and 7,238,361,856.23

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Solution

The fourth proportional to 13,342,009,613.31, 18,412,008,231.02 and 7,238,361,856.23 is: 9,988,958,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,009,613.31 : 18,412,008,231.02 = 7,238,361,856.23 : x
  2. Step 2: Convert to fraction form
    13,342,009,613.31/18,412,008,231.02 = 7,238,361,856.23/x
  3. Step 3: Cross multiply
    13,342,009,613.31x = 18,412,008,231.02 × 7,238,361,856.23
  4. Step 4: Simplify right side
    13,342,009,613.31x = 133,272,778,075,971,764,224
  5. Step 5: Solve for x
    x = 133,272,778,075,971,764,224/13,342,009,613.31
  6. Step 6: Final answer
    x = 9,988,958,330.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.