Home / 1,636,149,987,085.40-2,257,956,712,990.20-914,385,594,820.72

Finding the Fourth Proportional to 1,636,149,987,085.40, 2,257,956,712,990.20 and 914,385,594,820.72

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Solution

The fourth proportional to 1,636,149,987,085.40, 2,257,956,712,990.20 and 914,385,594,820.72 is: 1,261,891,090,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,149,987,085.40 : 2,257,956,712,990.20 = 914,385,594,820.72 : x
  2. Step 2: Convert to fraction form
    1,636,149,987,085.40/2,257,956,712,990.20 = 914,385,594,820.72/x
  3. Step 3: Cross multiply
    1,636,149,987,085.40x = 2,257,956,712,990.20 × 914,385,594,820.72
  4. Step 4: Simplify right side
    1,636,149,987,085.40x = 2,064,643,092,086,981,920,817,152
  5. Step 5: Solve for x
    x = 2,064,643,092,086,981,920,817,152/1,636,149,987,085.40
  6. Step 6: Final answer
    x = 1,261,891,090,904.75

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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.