Home / 516,924,855.73-775,394,031.03-171,878,482.63

Finding the Fourth Proportional to 516,924,855.73, 775,394,031.03 and 171,878,482.63

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Solution

The fourth proportional to 516,924,855.73, 775,394,031.03 and 171,878,482.63 is: 257,819,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,924,855.73 : 775,394,031.03 = 171,878,482.63 : x
  2. Step 2: Convert to fraction form
    516,924,855.73/775,394,031.03 = 171,878,482.63/x
  3. Step 3: Cross multiply
    516,924,855.73x = 775,394,031.03 × 171,878,482.63
  4. Step 4: Simplify right side
    516,924,855.73x = 133,273,549,493,795,520
  5. Step 5: Solve for x
    x = 133,273,549,493,795,520/516,924,855.73
  6. Step 6: Final answer
    x = 257,819,967.48

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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.