Home / 657,073,896.70-985,610,845.05-549,578,472.70

Finding the Fourth Proportional to 657,073,896.70, 985,610,845.05 and 549,578,472.70

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Solution

The fourth proportional to 657,073,896.70, 985,610,845.05 and 549,578,472.70 is: 824,367,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,073,896.70 : 985,610,845.05 = 549,578,472.70 : x
  2. Step 2: Convert to fraction form
    657,073,896.70/985,610,845.05 = 549,578,472.70/x
  3. Step 3: Cross multiply
    657,073,896.70x = 985,610,845.05 × 549,578,472.70
  4. Step 4: Simplify right side
    657,073,896.70x = 541,670,502,899,135,360
  5. Step 5: Solve for x
    x = 541,670,502,899,135,360/657,073,896.70
  6. Step 6: Final answer
    x = 824,367,709.05

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Double scale
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Similar ratio
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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.