Home / 639,053,756.20-958,580,634.30-524,168,021.80

Finding the Fourth Proportional to 639,053,756.20, 958,580,634.30 and 524,168,021.80

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Solution

The fourth proportional to 639,053,756.20, 958,580,634.30 and 524,168,021.80 is: 786,252,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,053,756.20 : 958,580,634.30 = 524,168,021.80 : x
  2. Step 2: Convert to fraction form
    639,053,756.20/958,580,634.30 = 524,168,021.80/x
  3. Step 3: Cross multiply
    639,053,756.20x = 958,580,634.30 × 524,168,021.80
  4. Step 4: Simplify right side
    639,053,756.20x = 502,457,314,816,820,224
  5. Step 5: Solve for x
    x = 502,457,314,816,820,224/639,053,756.20
  6. Step 6: Final answer
    x = 786,252,032.70

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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.