Home / 1,520,482,476,478.60-2,098,445,699,474.30-903,187,633,388.40

Finding the Fourth Proportional to 1,520,482,476,478.60, 2,098,445,699,474.30 and 903,187,633,388.40

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Solution

The fourth proportional to 1,520,482,476,478.60, 2,098,445,699,474.30 and 903,187,633,388.40 is: 1,246,505,786,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,482,476,478.60 : 2,098,445,699,474.30 = 903,187,633,388.40 : x
  2. Step 2: Convert to fraction form
    1,520,482,476,478.60/2,098,445,699,474.30 = 903,187,633,388.40/x
  3. Step 3: Cross multiply
    1,520,482,476,478.60x = 2,098,445,699,474.30 × 903,187,633,388.40
  4. Step 4: Simplify right side
    1,520,482,476,478.60x = 1,895,290,205,102,258,798,985,216
  5. Step 5: Solve for x
    x = 1,895,290,205,102,258,798,985,216/1,520,482,476,478.60
  6. Step 6: Final answer
    x = 1,246,505,786,434.12

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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.