Home / 680,519,853.60-1,018,512,298.80-626,100,295.20

Finding the Fourth Proportional to 680,519,853.60, 1,018,512,298.80 and 626,100,295.20

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Solution

The fourth proportional to 680,519,853.60, 1,018,512,298.80 and 626,100,295.20 is: 937,064,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,519,853.60 : 1,018,512,298.80 = 626,100,295.20 : x
  2. Step 2: Convert to fraction form
    680,519,853.60/1,018,512,298.80 = 626,100,295.20/x
  3. Step 3: Cross multiply
    680,519,853.60x = 1,018,512,298.80 × 626,100,295.20
  4. Step 4: Simplify right side
    680,519,853.60x = 637,690,850,943,510,656
  5. Step 5: Solve for x
    x = 637,690,850,943,510,656/680,519,853.60
  6. Step 6: Final answer
    x = 937,064,286.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.