Home / 293,580,689.40-440,371,034.10-120,968,652.60

Finding the Fourth Proportional to 293,580,689.40, 440,371,034.10 and 120,968,652.60

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Solution

The fourth proportional to 293,580,689.40, 440,371,034.10 and 120,968,652.60 is: 181,452,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,580,689.40 : 440,371,034.10 = 120,968,652.60 : x
  2. Step 2: Convert to fraction form
    293,580,689.40/440,371,034.10 = 120,968,652.60/x
  3. Step 3: Cross multiply
    293,580,689.40x = 440,371,034.10 × 120,968,652.60
  4. Step 4: Simplify right side
    293,580,689.40x = 53,271,090,639,145,656
  5. Step 5: Solve for x
    x = 53,271,090,639,145,656/293,580,689.40
  6. Step 6: Final answer
    x = 181,452,978.90

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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.