Home / 1,207,229,552.40-1,810,844,328.60-345,586,544.40

Finding the Fourth Proportional to 1,207,229,552.40, 1,810,844,328.60 and 345,586,544.40

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Solution

The fourth proportional to 1,207,229,552.40, 1,810,844,328.60 and 345,586,544.40 is: 518,379,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,229,552.40 : 1,810,844,328.60 = 345,586,544.40 : x
  2. Step 2: Convert to fraction form
    1,207,229,552.40/1,810,844,328.60 = 345,586,544.40/x
  3. Step 3: Cross multiply
    1,207,229,552.40x = 1,810,844,328.60 × 345,586,544.40
  4. Step 4: Simplify right side
    1,207,229,552.40x = 625,803,433,967,212,032
  5. Step 5: Solve for x
    x = 625,803,433,967,212,032/1,207,229,552.40
  6. Step 6: Final answer
    x = 518,379,816.60

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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.