Home / 817,797,199,277.16-1,226,720,789,543.40-280,567,623,822.36

Finding the Fourth Proportional to 817,797,199,277.16, 1,226,720,789,543.40 and 280,567,623,822.36

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Solution

The fourth proportional to 817,797,199,277.16, 1,226,720,789,543.40 and 280,567,623,822.36 is: 420,860,009,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,797,199,277.16 : 1,226,720,789,543.40 = 280,567,623,822.36 : x
  2. Step 2: Convert to fraction form
    817,797,199,277.16/1,226,720,789,543.40 = 280,567,623,822.36/x
  3. Step 3: Cross multiply
    817,797,199,277.16x = 1,226,720,789,543.40 × 280,567,623,822.36
  4. Step 4: Simplify right side
    817,797,199,277.16x = 344,178,137,015,681,047,068,672
  5. Step 5: Solve for x
    x = 344,178,137,015,681,047,068,672/817,797,199,277.16
  6. Step 6: Final answer
    x = 420,860,009,449.65

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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.