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Finding the Fourth Proportional to 807,756,363.92, 1,114,703,734.92 and 436,478,384.72

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Solution

The fourth proportional to 807,756,363.92, 1,114,703,734.92 and 436,478,384.72 is: 602,340,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,756,363.92 : 1,114,703,734.92 = 436,478,384.72 : x
  2. Step 2: Convert to fraction form
    807,756,363.92/1,114,703,734.92 = 436,478,384.72/x
  3. Step 3: Cross multiply
    807,756,363.92x = 1,114,703,734.92 × 436,478,384.72
  4. Step 4: Simplify right side
    807,756,363.92x = 486,544,085,659,232,704
  5. Step 5: Solve for x
    x = 486,544,085,659,232,704/807,756,363.92
  6. Step 6: Final answer
    x = 602,340,145.36

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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.