Home / 817,797,199,282.72-1,226,720,789,551.60-280,567,623,827.98

Finding the Fourth Proportional to 817,797,199,282.72, 1,226,720,789,551.60 and 280,567,623,827.98

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Solution

The fourth proportional to 817,797,199,282.72, 1,226,720,789,551.60 and 280,567,623,827.98 is: 420,860,009,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,797,199,282.72 : 1,226,720,789,551.60 = 280,567,623,827.98 : x
  2. Step 2: Convert to fraction form
    817,797,199,282.72/1,226,720,789,551.60 = 280,567,623,827.98/x
  3. Step 3: Cross multiply
    817,797,199,282.72x = 1,226,720,789,551.60 × 280,567,623,827.98
  4. Step 4: Simplify right side
    817,797,199,282.72x = 344,178,137,024,875,900,960,768
  5. Step 5: Solve for x
    x = 344,178,137,024,875,900,960,768/817,797,199,282.72
  6. Step 6: Final answer
    x = 420,860,009,458.03

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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.