Home / 512,044,700.01-767,980,419.85-143,494,830.04

Finding the Fourth Proportional to 512,044,700.01, 767,980,419.85 and 143,494,830.04

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Solution

The fourth proportional to 512,044,700.01, 767,980,419.85 and 143,494,830.04 is: 215,217,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,044,700.01 : 767,980,419.85 = 143,494,830.04 : x
  2. Step 2: Convert to fraction form
    512,044,700.01/767,980,419.85 = 143,494,830.04/x
  3. Step 3: Cross multiply
    512,044,700.01x = 767,980,419.85 × 143,494,830.04
  4. Step 4: Simplify right side
    512,044,700.01x = 110,201,219,820,423,584
  5. Step 5: Solve for x
    x = 110,201,219,820,423,584/512,044,700.01
  6. Step 6: Final answer
    x = 215,217,967.92

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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.