Home / 1,520,482,476,475-2,098,445,699,469.40-903,187,633,384.86

Finding the Fourth Proportional to 1,520,482,476,475, 2,098,445,699,469.40 and 903,187,633,384.86

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Solution

The fourth proportional to 1,520,482,476,475, 2,098,445,699,469.40 and 903,187,633,384.86 is: 1,246,505,786,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,482,476,475 : 2,098,445,699,469.40 = 903,187,633,384.86 : x
  2. Step 2: Convert to fraction form
    1,520,482,476,475/2,098,445,699,469.40 = 903,187,633,384.86/x
  3. Step 3: Cross multiply
    1,520,482,476,475x = 2,098,445,699,469.40 × 903,187,633,384.86
  4. Step 4: Simplify right side
    1,520,482,476,475x = 1,895,290,205,090,404,420,812,800
  5. Step 5: Solve for x
    x = 1,895,290,205,090,404,420,812,800/1,520,482,476,475
  6. Step 6: Final answer
    x = 1,246,505,786,429.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.