Home / 551,061,220.74-826,592,968.34-517,389,118.98

Finding the Fourth Proportional to 551,061,220.74, 826,592,968.34 and 517,389,118.98

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Solution

The fourth proportional to 551,061,220.74, 826,592,968.34 and 517,389,118.98 is: 776,084,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,061,220.74 : 826,592,968.34 = 517,389,118.98 : x
  2. Step 2: Convert to fraction form
    551,061,220.74/826,592,968.34 = 517,389,118.98/x
  3. Step 3: Cross multiply
    551,061,220.74x = 826,592,968.34 × 517,389,118.98
  4. Step 4: Simplify right side
    551,061,220.74x = 427,670,207,644,495,680
  5. Step 5: Solve for x
    x = 427,670,207,644,495,680/551,061,220.74
  6. Step 6: Final answer
    x = 776,084,746.21

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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.