Home / 1,445,441,696.19-1,994,533,190.90-810,215,583.30

Finding the Fourth Proportional to 1,445,441,696.19, 1,994,533,190.90 and 810,215,583.30

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Solution

The fourth proportional to 1,445,441,696.19, 1,994,533,190.90 and 810,215,583.30 is: 1,117,998,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,441,696.19 : 1,994,533,190.90 = 810,215,583.30 : x
  2. Step 2: Convert to fraction form
    1,445,441,696.19/1,994,533,190.90 = 810,215,583.30/x
  3. Step 3: Cross multiply
    1,445,441,696.19x = 1,994,533,190.90 × 810,215,583.30
  4. Step 4: Simplify right side
    1,445,441,696.19x = 1,616,001,872,664,723,200
  5. Step 5: Solve for x
    x = 1,616,001,872,664,723,200/1,445,441,696.19
  6. Step 6: Final answer
    x = 1,117,998,655.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.