Home / 817,797,199,195.80-1,226,720,789,421.30-280,567,623,741.10

Finding the Fourth Proportional to 817,797,199,195.80, 1,226,720,789,421.30 and 280,567,623,741.10

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Solution

The fourth proportional to 817,797,199,195.80, 1,226,720,789,421.30 and 280,567,623,741.10 is: 420,860,009,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,797,199,195.80 : 1,226,720,789,421.30 = 280,567,623,741.10 : x
  2. Step 2: Convert to fraction form
    817,797,199,195.80/1,226,720,789,421.30 = 280,567,623,741.10/x
  3. Step 3: Cross multiply
    817,797,199,195.80x = 1,226,720,789,421.30 × 280,567,623,741.10
  4. Step 4: Simplify right side
    817,797,199,195.80x = 344,178,136,881,740,478,676,992
  5. Step 5: Solve for x
    x = 344,178,136,881,740,478,676,992/817,797,199,195.80
  6. Step 6: Final answer
    x = 420,860,009,327.74

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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.