Home / 836,361,369.90-1,154,421,992.04-557,902,229.16

Finding the Fourth Proportional to 836,361,369.90, 1,154,421,992.04 and 557,902,229.16

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Solution

The fourth proportional to 836,361,369.90, 1,154,421,992.04 and 557,902,229.16 is: 770,067,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,361,369.90 : 1,154,421,992.04 = 557,902,229.16 : x
  2. Step 2: Convert to fraction form
    836,361,369.90/1,154,421,992.04 = 557,902,229.16/x
  3. Step 3: Cross multiply
    836,361,369.90x = 1,154,421,992.04 × 557,902,229.16
  4. Step 4: Simplify right side
    836,361,369.90x = 644,054,602,750,443,776
  5. Step 5: Solve for x
    x = 644,054,602,750,443,776/836,361,369.90
  6. Step 6: Final answer
    x = 770,067,372.70

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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.