Home / 674,605,633.46-930,958,274.06-392,415,784.16

Finding the Fourth Proportional to 674,605,633.46, 930,958,274.06 and 392,415,784.16

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Solution

The fourth proportional to 674,605,633.46, 930,958,274.06 and 392,415,784.16 is: 541,535,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,605,633.46 : 930,958,274.06 = 392,415,784.16 : x
  2. Step 2: Convert to fraction form
    674,605,633.46/930,958,274.06 = 392,415,784.16/x
  3. Step 3: Cross multiply
    674,605,633.46x = 930,958,274.06 × 392,415,784.16
  4. Step 4: Simplify right side
    674,605,633.46x = 365,322,721,135,495,104
  5. Step 5: Solve for x
    x = 365,322,721,135,495,104/674,605,633.46
  6. Step 6: Final answer
    x = 541,535,236.32

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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.