Home / 28,166,270,638.80-42,249,405,958.20-25,227,614,485.20

Finding the Fourth Proportional to 28,166,270,638.80, 42,249,405,958.20 and 25,227,614,485.20

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Solution

The fourth proportional to 28,166,270,638.80, 42,249,405,958.20 and 25,227,614,485.20 is: 37,841,421,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166,270,638.80 : 42,249,405,958.20 = 25,227,614,485.20 : x
  2. Step 2: Convert to fraction form
    28,166,270,638.80/42,249,405,958.20 = 25,227,614,485.20/x
  3. Step 3: Cross multiply
    28,166,270,638.80x = 42,249,405,958.20 × 25,227,614,485.20
  4. Step 4: Simplify right side
    28,166,270,638.80x = 1,065,851,725,742,181,449,728
  5. Step 5: Solve for x
    x = 1,065,851,725,742,181,449,728/28,166,270,638.80
  6. Step 6: Final answer
    x = 37,841,421,727.80

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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.