Home / 712,407,951.18-1,068,746,168.93-269,883,175.26

Finding the Fourth Proportional to 712,407,951.18, 1,068,746,168.93 and 269,883,175.26

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Solution

The fourth proportional to 712,407,951.18, 1,068,746,168.93 and 269,883,175.26 is: 404,875,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,407,951.18 : 1,068,746,168.93 = 269,883,175.26 : x
  2. Step 2: Convert to fraction form
    712,407,951.18/1,068,746,168.93 = 269,883,175.26/x
  3. Step 3: Cross multiply
    712,407,951.18x = 1,068,746,168.93 × 269,883,175.26
  4. Step 4: Simplify right side
    712,407,951.18x = 288,436,609,616,439,296
  5. Step 5: Solve for x
    x = 288,436,609,616,439,296/712,407,951.18
  6. Step 6: Final answer
    x = 404,875,618.16

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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.