Home / 1,016,542,396.44-1,525,458,631.32-434,281,021.92

Finding the Fourth Proportional to 1,016,542,396.44, 1,525,458,631.32 and 434,281,021.92

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Solution

The fourth proportional to 1,016,542,396.44, 1,525,458,631.32 and 434,281,021.92 is: 651,697,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,542,396.44 : 1,525,458,631.32 = 434,281,021.92 : x
  2. Step 2: Convert to fraction form
    1,016,542,396.44/1,525,458,631.32 = 434,281,021.92/x
  3. Step 3: Cross multiply
    1,016,542,396.44x = 1,525,458,631.32 × 434,281,021.92
  4. Step 4: Simplify right side
    1,016,542,396.44x = 662,477,733,306,334,080
  5. Step 5: Solve for x
    x = 662,477,733,306,334,080/1,016,542,396.44
  6. Step 6: Final answer
    x = 651,697,101.49

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Double scale
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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.