Home / 798,746,389.51-1,102,379,517.21-459,647,896.18

Finding the Fourth Proportional to 798,746,389.51, 1,102,379,517.21 and 459,647,896.18

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Solution

The fourth proportional to 798,746,389.51, 1,102,379,517.21 and 459,647,896.18 is: 634,377,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,746,389.51 : 1,102,379,517.21 = 459,647,896.18 : x
  2. Step 2: Convert to fraction form
    798,746,389.51/1,102,379,517.21 = 459,647,896.18/x
  3. Step 3: Cross multiply
    798,746,389.51x = 1,102,379,517.21 × 459,647,896.18
  4. Step 4: Simplify right side
    798,746,389.51x = 506,706,425,877,500,608
  5. Step 5: Solve for x
    x = 506,706,425,877,500,608/798,746,389.51
  6. Step 6: Final answer
    x = 634,377,109.60

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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.