Home / 722,328,337.80-1,083,492,506.70-519,766,648.20

Finding the Fourth Proportional to 722,328,337.80, 1,083,492,506.70 and 519,766,648.20

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Solution

The fourth proportional to 722,328,337.80, 1,083,492,506.70 and 519,766,648.20 is: 779,649,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,328,337.80 : 1,083,492,506.70 = 519,766,648.20 : x
  2. Step 2: Convert to fraction form
    722,328,337.80/1,083,492,506.70 = 519,766,648.20/x
  3. Step 3: Cross multiply
    722,328,337.80x = 1,083,492,506.70 × 519,766,648.20
  4. Step 4: Simplify right side
    722,328,337.80x = 563,163,268,557,275,072
  5. Step 5: Solve for x
    x = 563,163,268,557,275,072/722,328,337.80
  6. Step 6: Final answer
    x = 779,649,972.30

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Double scale
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1.5x scale

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.