Home / 867,975,927.92-1,197,664,791.71-511,044,492.05

Finding the Fourth Proportional to 867,975,927.92, 1,197,664,791.71 and 511,044,492.05

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Solution

The fourth proportional to 867,975,927.92, 1,197,664,791.71 and 511,044,492.05 is: 705,157,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,975,927.92 : 1,197,664,791.71 = 511,044,492.05 : x
  2. Step 2: Convert to fraction form
    867,975,927.92/1,197,664,791.71 = 511,044,492.05/x
  3. Step 3: Cross multiply
    867,975,927.92x = 1,197,664,791.71 × 511,044,492.05
  4. Step 4: Simplify right side
    867,975,927.92x = 612,059,995,125,606,016
  5. Step 5: Solve for x
    x = 612,059,995,125,606,016/867,975,927.92
  6. Step 6: Final answer
    x = 705,157,799.24

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Double scale
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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.