Home / 705,414,018.42-972,035,709.39-545,673,694.05

Finding the Fourth Proportional to 705,414,018.42, 972,035,709.39 and 545,673,694.05

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Solution

The fourth proportional to 705,414,018.42, 972,035,709.39 and 545,673,694.05 is: 751,919,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,414,018.42 : 972,035,709.39 = 545,673,694.05 : x
  2. Step 2: Convert to fraction form
    705,414,018.42/972,035,709.39 = 545,673,694.05/x
  3. Step 3: Cross multiply
    705,414,018.42x = 972,035,709.39 × 545,673,694.05
  4. Step 4: Simplify right side
    705,414,018.42x = 530,414,316,291,353,536
  5. Step 5: Solve for x
    x = 530,414,316,291,353,536/705,414,018.42
  6. Step 6: Final answer
    x = 751,919,160.15

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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.