Home / 680,056,956.97-1,020,082,011.41-265,575,867.45

Finding the Fourth Proportional to 680,056,956.97, 1,020,082,011.41 and 265,575,867.45

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Solution

The fourth proportional to 680,056,956.97, 1,020,082,011.41 and 265,575,867.45 is: 398,362,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,056,956.97 : 1,020,082,011.41 = 265,575,867.45 : x
  2. Step 2: Convert to fraction form
    680,056,956.97/1,020,082,011.41 = 265,575,867.45/x
  3. Step 3: Cross multiply
    680,056,956.97x = 1,020,082,011.41 × 265,575,867.45
  4. Step 4: Simplify right side
    680,056,956.97x = 270,909,165,047,200,384
  5. Step 5: Solve for x
    x = 270,909,165,047,200,384/680,056,956.97
  6. Step 6: Final answer
    x = 398,362,464.01

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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.