Home / 1,185,674,814.53-1,635,694,701.19-715,625,878.85

Finding the Fourth Proportional to 1,185,674,814.53, 1,635,694,701.19 and 715,625,878.85

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Solution

The fourth proportional to 1,185,674,814.53, 1,635,694,701.19 and 715,625,878.85 is: 987,239,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,674,814.53 : 1,635,694,701.19 = 715,625,878.85 : x
  2. Step 2: Convert to fraction form
    1,185,674,814.53/1,635,694,701.19 = 715,625,878.85/x
  3. Step 3: Cross multiply
    1,185,674,814.53x = 1,635,694,701.19 × 715,625,878.85
  4. Step 4: Simplify right side
    1,185,674,814.53x = 1,170,545,458,071,682,048
  5. Step 5: Solve for x
    x = 1,170,545,458,071,682,048/1,185,674,814.53
  6. Step 6: Final answer
    x = 987,239,877.01

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1.5x scale

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.