Home / 1,237,265,657.12-1,855,723,748.81-396,799,187.64

Finding the Fourth Proportional to 1,237,265,657.12, 1,855,723,748.81 and 396,799,187.64

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Solution

The fourth proportional to 1,237,265,657.12, 1,855,723,748.81 and 396,799,187.64 is: 595,142,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,265,657.12 : 1,855,723,748.81 = 396,799,187.64 : x
  2. Step 2: Convert to fraction form
    1,237,265,657.12/1,855,723,748.81 = 396,799,187.64/x
  3. Step 3: Cross multiply
    1,237,265,657.12x = 1,855,723,748.81 × 396,799,187.64
  4. Step 4: Simplify right side
    1,237,265,657.12x = 736,349,676,003,120,512
  5. Step 5: Solve for x
    x = 736,349,676,003,120,512/1,237,265,657.12
  6. Step 6: Final answer
    x = 595,142,742.19

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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.