Home / 1,486,561,781.34-2,051,509,193.84-851,604,990.32

Finding the Fourth Proportional to 1,486,561,781.34, 2,051,509,193.84 and 851,604,990.32

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Solution

The fourth proportional to 1,486,561,781.34, 2,051,509,193.84 and 851,604,990.32 is: 1,175,245,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,561,781.34 : 2,051,509,193.84 = 851,604,990.32 : x
  2. Step 2: Convert to fraction form
    1,486,561,781.34/2,051,509,193.84 = 851,604,990.32/x
  3. Step 3: Cross multiply
    1,486,561,781.34x = 2,051,509,193.84 × 851,604,990.32
  4. Step 4: Simplify right side
    1,486,561,781.34x = 1,747,075,467,161,504,256
  5. Step 5: Solve for x
    x = 1,747,075,467,161,504,256/1,486,561,781.34
  6. Step 6: Final answer
    x = 1,175,245,784.66

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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.