Home / 1,429,675,865,000.80-1,972,881,388,087.20-812,297,034,240.04

Finding the Fourth Proportional to 1,429,675,865,000.80, 1,972,881,388,087.20 and 812,297,034,240.04

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Solution

The fourth proportional to 1,429,675,865,000.80, 1,972,881,388,087.20 and 812,297,034,240.04 is: 1,120,929,393,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,675,865,000.80 : 1,972,881,388,087.20 = 812,297,034,240.04 : x
  2. Step 2: Convert to fraction form
    1,429,675,865,000.80/1,972,881,388,087.20 = 812,297,034,240.04/x
  3. Step 3: Cross multiply
    1,429,675,865,000.80x = 1,972,881,388,087.20 × 812,297,034,240.04
  4. Step 4: Simplify right side
    1,429,675,865,000.80x = 1,602,565,700,450,605,894,467,584
  5. Step 5: Solve for x
    x = 1,602,565,700,450,605,894,467,584/1,429,675,865,000.80
  6. Step 6: Final answer
    x = 1,120,929,393,635.47

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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.