Home / 1,403,910,336.15-1,939,414,293.54-1,121,281,708.50

Finding the Fourth Proportional to 1,403,910,336.15, 1,939,414,293.54 and 1,121,281,708.50

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Solution

The fourth proportional to 1,403,910,336.15, 1,939,414,293.54 and 1,121,281,708.50 is: 1,548,980,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,910,336.15 : 1,939,414,293.54 = 1,121,281,708.50 : x
  2. Step 2: Convert to fraction form
    1,403,910,336.15/1,939,414,293.54 = 1,121,281,708.50/x
  3. Step 3: Cross multiply
    1,403,910,336.15x = 1,939,414,293.54 × 1,121,281,708.50
  4. Step 4: Simplify right side
    1,403,910,336.15x = 2,174,629,772,549,851,648
  5. Step 5: Solve for x
    x = 2,174,629,772,549,851,648/1,403,910,336.15
  6. Step 6: Final answer
    x = 1,548,980,527.14

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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.