Home / 836,191,002.28-1,153,973,921.92-479,027,807.34

Finding the Fourth Proportional to 836,191,002.28, 1,153,973,921.92 and 479,027,807.34

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Solution

The fourth proportional to 836,191,002.28, 1,153,973,921.92 and 479,027,807.34 is: 661,075,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,191,002.28 : 1,153,973,921.92 = 479,027,807.34 : x
  2. Step 2: Convert to fraction form
    836,191,002.28/1,153,973,921.92 = 479,027,807.34/x
  3. Step 3: Cross multiply
    836,191,002.28x = 1,153,973,921.92 × 479,027,807.34
  4. Step 4: Simplify right side
    836,191,002.28x = 552,785,597,543,925,376
  5. Step 5: Solve for x
    x = 552,785,597,543,925,376/836,191,002.28
  6. Step 6: Final answer
    x = 661,075,754.27

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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.