Home / 836,708,107.46-1,255,848,490.01-438,152,743.06

Finding the Fourth Proportional to 836,708,107.46, 1,255,848,490.01 and 438,152,743.06

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Solution

The fourth proportional to 836,708,107.46, 1,255,848,490.01 and 438,152,743.06 is: 657,640,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,708,107.46 : 1,255,848,490.01 = 438,152,743.06 : x
  2. Step 2: Convert to fraction form
    836,708,107.46/1,255,848,490.01 = 438,152,743.06/x
  3. Step 3: Cross multiply
    836,708,107.46x = 1,255,848,490.01 × 438,152,743.06
  4. Step 4: Simplify right side
    836,708,107.46x = 550,253,460,763,596,288
  5. Step 5: Solve for x
    x = 550,253,460,763,596,288/836,708,107.46
  6. Step 6: Final answer
    x = 657,640,885.59

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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.