Home / 781,668,066,212.66-1,171,830,577,198.40-271,660,572,510.91

Finding the Fourth Proportional to 781,668,066,212.66, 1,171,830,577,198.40 and 271,660,572,510.91

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Solution

The fourth proportional to 781,668,066,212.66, 1,171,830,577,198.40 and 271,660,572,510.91 is: 407,257,478,266.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,668,066,212.66 : 1,171,830,577,198.40 = 271,660,572,510.91 : x
  2. Step 2: Convert to fraction form
    781,668,066,212.66/1,171,830,577,198.40 = 271,660,572,510.91/x
  3. Step 3: Cross multiply
    781,668,066,212.66x = 1,171,830,577,198.40 × 271,660,572,510.91
  4. Step 4: Simplify right side
    781,668,066,212.66x = 318,340,165,487,507,451,936,768
  5. Step 5: Solve for x
    x = 318,340,165,487,507,451,936,768/781,668,066,212.66
  6. Step 6: Final answer
    x = 407,257,478,266.87

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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.