Home / 1,113,961,409.64-1,537,308,232.74-667,997,380.04

Finding the Fourth Proportional to 1,113,961,409.64, 1,537,308,232.74 and 667,997,380.04

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Solution

The fourth proportional to 1,113,961,409.64, 1,537,308,232.74 and 667,997,380.04 is: 921,861,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,961,409.64 : 1,537,308,232.74 = 667,997,380.04 : x
  2. Step 2: Convert to fraction form
    1,113,961,409.64/1,537,308,232.74 = 667,997,380.04/x
  3. Step 3: Cross multiply
    1,113,961,409.64x = 1,537,308,232.74 × 667,997,380.04
  4. Step 4: Simplify right side
    1,113,961,409.64x = 1,026,917,871,784,242,560
  5. Step 5: Solve for x
    x = 1,026,917,871,784,242,560/1,113,961,409.64
  6. Step 6: Final answer
    x = 921,861,262.78

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Double scale
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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.