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Finding the Fourth Proportional to 488,157,804.70, 673,662,718.79 and 265,141,641.13

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Solution

The fourth proportional to 488,157,804.70, 673,662,718.79 and 265,141,641.13 is: 365,898,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,157,804.70 : 673,662,718.79 = 265,141,641.13 : x
  2. Step 2: Convert to fraction form
    488,157,804.70/673,662,718.79 = 265,141,641.13/x
  3. Step 3: Cross multiply
    488,157,804.70x = 673,662,718.79 × 265,141,641.13
  4. Step 4: Simplify right side
    488,157,804.70x = 178,616,038,826,060,064
  5. Step 5: Solve for x
    x = 178,616,038,826,060,064/488,157,804.70
  6. Step 6: Final answer
    x = 365,898,152.42

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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.