Home / 490,276,505,987.68-676,579,699,671.41-273,502,527,885.40

Finding the Fourth Proportional to 490,276,505,987.68, 676,579,699,671.41 and 273,502,527,885.40

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Solution

The fourth proportional to 490,276,505,987.68, 676,579,699,671.41 and 273,502,527,885.40 is: 377,432,440,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,276,505,987.68 : 676,579,699,671.41 = 273,502,527,885.40 : x
  2. Step 2: Convert to fraction form
    490,276,505,987.68/676,579,699,671.41 = 273,502,527,885.40/x
  3. Step 3: Cross multiply
    490,276,505,987.68x = 676,579,699,671.41 × 273,502,527,885.40
  4. Step 4: Simplify right side
    490,276,505,987.68x = 185,046,258,176,075,377,934,336
  5. Step 5: Solve for x
    x = 185,046,258,176,075,377,934,336/490,276,505,987.68
  6. Step 6: Final answer
    x = 377,432,440,502.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.