Home / 1,429,675,864,990.80-1,972,881,388,073.40-812,297,034,229.98

Finding the Fourth Proportional to 1,429,675,864,990.80, 1,972,881,388,073.40 and 812,297,034,229.98

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Solution

The fourth proportional to 1,429,675,864,990.80, 1,972,881,388,073.40 and 812,297,034,229.98 is: 1,120,929,393,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,675,864,990.80 : 1,972,881,388,073.40 = 812,297,034,229.98 : x
  2. Step 2: Convert to fraction form
    1,429,675,864,990.80/1,972,881,388,073.40 = 812,297,034,229.98/x
  3. Step 3: Cross multiply
    1,429,675,864,990.80x = 1,972,881,388,073.40 × 812,297,034,229.98
  4. Step 4: Simplify right side
    1,429,675,864,990.80x = 1,602,565,700,419,548,985,950,208
  5. Step 5: Solve for x
    x = 1,602,565,700,419,548,985,950,208/1,429,675,864,990.80
  6. Step 6: Final answer
    x = 1,120,929,393,621.58

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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.