Home / 817,797,199,280.25-1,226,720,789,547.90-280,567,623,825.48

Finding the Fourth Proportional to 817,797,199,280.25, 1,226,720,789,547.90 and 280,567,623,825.48

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Solution

The fourth proportional to 817,797,199,280.25, 1,226,720,789,547.90 and 280,567,623,825.48 is: 420,860,009,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,797,199,280.25 : 1,226,720,789,547.90 = 280,567,623,825.48 : x
  2. Step 2: Convert to fraction form
    817,797,199,280.25/1,226,720,789,547.90 = 280,567,623,825.48/x
  3. Step 3: Cross multiply
    817,797,199,280.25x = 1,226,720,789,547.90 × 280,567,623,825.48
  4. Step 4: Simplify right side
    817,797,199,280.25x = 344,178,137,020,770,985,967,616
  5. Step 5: Solve for x
    x = 344,178,137,020,770,985,967,616/817,797,199,280.25
  6. Step 6: Final answer
    x = 420,860,009,454.28

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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.