Home / 1,625,185,878.60-2,437,778,817.90-1,211,328,496.20

Finding the Fourth Proportional to 1,625,185,878.60, 2,437,778,817.90 and 1,211,328,496.20

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Solution

The fourth proportional to 1,625,185,878.60, 2,437,778,817.90 and 1,211,328,496.20 is: 1,816,992,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,185,878.60 : 2,437,778,817.90 = 1,211,328,496.20 : x
  2. Step 2: Convert to fraction form
    1,625,185,878.60/2,437,778,817.90 = 1,211,328,496.20/x
  3. Step 3: Cross multiply
    1,625,185,878.60x = 2,437,778,817.90 × 1,211,328,496.20
  4. Step 4: Simplify right side
    1,625,185,878.60x = 2,952,950,949,555,020,800
  5. Step 5: Solve for x
    x = 2,952,950,949,555,020,800/1,625,185,878.60
  6. Step 6: Final answer
    x = 1,816,992,744.30

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Double scale
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Similar ratio
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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.