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Finding the Fourth Proportional to 477,547,697.69, 716,467,736.55 and 244,543,385.44

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Solution

The fourth proportional to 477,547,697.69, 716,467,736.55 and 244,543,385.44 is: 366,889,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,547,697.69 : 716,467,736.55 = 244,543,385.44 : x
  2. Step 2: Convert to fraction form
    477,547,697.69/716,467,736.55 = 244,543,385.44/x
  3. Step 3: Cross multiply
    477,547,697.69x = 716,467,736.55 × 244,543,385.44
  4. Step 4: Simplify right side
    477,547,697.69x = 175,207,445,850,888,672
  5. Step 5: Solve for x
    x = 175,207,445,850,888,672/477,547,697.69
  6. Step 6: Final answer
    x = 366,889,939.37

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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.