Home / 454,909,561.40-682,364,342.10-437,053,143.80

Finding the Fourth Proportional to 454,909,561.40, 682,364,342.10 and 437,053,143.80

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Solution

The fourth proportional to 454,909,561.40, 682,364,342.10 and 437,053,143.80 is: 655,579,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,909,561.40 : 682,364,342.10 = 437,053,143.80 : x
  2. Step 2: Convert to fraction form
    454,909,561.40/682,364,342.10 = 437,053,143.80/x
  3. Step 3: Cross multiply
    454,909,561.40x = 682,364,342.10 × 437,053,143.80
  4. Step 4: Simplify right side
    454,909,561.40x = 298,229,480,931,823,744
  5. Step 5: Solve for x
    x = 298,229,480,931,823,744/454,909,561.40
  6. Step 6: Final answer
    x = 655,579,715.70

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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.