Home / 410,686,437.44-615,615,132.08-257,440,110.64

Finding the Fourth Proportional to 410,686,437.44, 615,615,132.08 and 257,440,110.64

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Solution

The fourth proportional to 410,686,437.44, 615,615,132.08 and 257,440,110.64 is: 385,900,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,686,437.44 : 615,615,132.08 = 257,440,110.64 : x
  2. Step 2: Convert to fraction form
    410,686,437.44/615,615,132.08 = 257,440,110.64/x
  3. Step 3: Cross multiply
    410,686,437.44x = 615,615,132.08 × 257,440,110.64
  4. Step 4: Simplify right side
    410,686,437.44x = 158,484,027,714,333,408
  5. Step 5: Solve for x
    x = 158,484,027,714,333,408/410,686,437.44
  6. Step 6: Final answer
    x = 385,900,320.21

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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.