Home / 1,259,615,343.40-1,889,295,444.96-339,584,684.20

Finding the Fourth Proportional to 1,259,615,343.40, 1,889,295,444.96 and 339,584,684.20

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Solution

The fourth proportional to 1,259,615,343.40, 1,889,295,444.96 and 339,584,684.20 is: 509,342,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,615,343.40 : 1,889,295,444.96 = 339,584,684.20 : x
  2. Step 2: Convert to fraction form
    1,259,615,343.40/1,889,295,444.96 = 339,584,684.20/x
  3. Step 3: Cross multiply
    1,259,615,343.40x = 1,889,295,444.96 × 339,584,684.20
  4. Step 4: Simplify right side
    1,259,615,343.40x = 641,575,797,037,240,064
  5. Step 5: Solve for x
    x = 641,575,797,037,240,064/1,259,615,343.40
  6. Step 6: Final answer
    x = 509,342,634.16

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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.