Home / 946,685,357.10-1,306,400,732.39-529,001,074.62

Finding the Fourth Proportional to 946,685,357.10, 1,306,400,732.39 and 529,001,074.62

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Solution

The fourth proportional to 946,685,357.10, 1,306,400,732.39 and 529,001,074.62 is: 730,007,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,685,357.10 : 1,306,400,732.39 = 529,001,074.62 : x
  2. Step 2: Convert to fraction form
    946,685,357.10/1,306,400,732.39 = 529,001,074.62/x
  3. Step 3: Cross multiply
    946,685,357.10x = 1,306,400,732.39 × 529,001,074.62
  4. Step 4: Simplify right side
    946,685,357.10x = 691,087,391,316,020,096
  5. Step 5: Solve for x
    x = 691,087,391,316,020,096/946,685,357.10
  6. Step 6: Final answer
    x = 730,007,479.39

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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.