Home / 453,377,615.20-680,066,422.80-271,979,087.20

Finding the Fourth Proportional to 453,377,615.20, 680,066,422.80 and 271,979,087.20

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Solution

The fourth proportional to 453,377,615.20, 680,066,422.80 and 271,979,087.20 is: 407,968,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,377,615.20 : 680,066,422.80 = 271,979,087.20 : x
  2. Step 2: Convert to fraction form
    453,377,615.20/680,066,422.80 = 271,979,087.20/x
  3. Step 3: Cross multiply
    453,377,615.20x = 680,066,422.80 × 271,979,087.20
  4. Step 4: Simplify right side
    453,377,615.20x = 184,963,844,908,513,248
  5. Step 5: Solve for x
    x = 184,963,844,908,513,248/453,377,615.20
  6. Step 6: Final answer
    x = 407,968,630.80

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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.