Home / 12,239,130,115.20-18,316,368,849.60-7,335,323,241.60

Finding the Fourth Proportional to 12,239,130,115.20, 18,316,368,849.60 and 7,335,323,241.60

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Solution

The fourth proportional to 12,239,130,115.20, 18,316,368,849.60 and 7,335,323,241.60 is: 10,977,617,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,130,115.20 : 18,316,368,849.60 = 7,335,323,241.60 : x
  2. Step 2: Convert to fraction form
    12,239,130,115.20/18,316,368,849.60 = 7,335,323,241.60/x
  3. Step 3: Cross multiply
    12,239,130,115.20x = 18,316,368,849.60 × 7,335,323,241.60
  4. Step 4: Simplify right side
    12,239,130,115.20x = 134,356,486,124,189,122,560
  5. Step 5: Solve for x
    x = 134,356,486,124,189,122,560/12,239,130,115.20
  6. Step 6: Final answer
    x = 10,977,617,270.15

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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.