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Finding the Fourth Proportional to 186,656,843.40, 260,714,919 and 186,656,843.40

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Solution

The fourth proportional to 186,656,843.40, 260,714,919 and 186,656,843.40 is: 260,714,919

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,656,843.40 : 260,714,919 = 186,656,843.40 : x
  2. Step 2: Convert to fraction form
    186,656,843.40/260,714,919 = 186,656,843.40/x
  3. Step 3: Cross multiply
    186,656,843.40x = 260,714,919 × 186,656,843.40
  4. Step 4: Simplify right side
    186,656,843.40x = 48,664,223,807,826,688
  5. Step 5: Solve for x
    x = 48,664,223,807,826,688/186,656,843.40
  6. Step 6: Final answer
    x = 260,714,919

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.