Home / 2,809,728,015.40-4,214,592,023.10-1,830,175,964.20

Finding the Fourth Proportional to 2,809,728,015.40, 4,214,592,023.10 and 1,830,175,964.20

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Solution

The fourth proportional to 2,809,728,015.40, 4,214,592,023.10 and 1,830,175,964.20 is: 2,745,263,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,728,015.40 : 4,214,592,023.10 = 1,830,175,964.20 : x
  2. Step 2: Convert to fraction form
    2,809,728,015.40/4,214,592,023.10 = 1,830,175,964.20/x
  3. Step 3: Cross multiply
    2,809,728,015.40x = 4,214,592,023.10 × 1,830,175,964.20
  4. Step 4: Simplify right side
    2,809,728,015.40x = 7,713,445,019,586,671,616
  5. Step 5: Solve for x
    x = 7,713,445,019,586,671,616/2,809,728,015.40
  6. Step 6: Final answer
    x = 2,745,263,946.30

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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.