Home / 319,453,041,505.78-479,209,019,582.78-104,322,711,366.10

Finding the Fourth Proportional to 319,453,041,505.78, 479,209,019,582.78 and 104,322,711,366.10

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Solution

The fourth proportional to 319,453,041,505.78, 479,209,019,582.78 and 104,322,711,366.10 is: 156,493,686,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,453,041,505.78 : 479,209,019,582.78 = 104,322,711,366.10 : x
  2. Step 2: Convert to fraction form
    319,453,041,505.78/479,209,019,582.78 = 104,322,711,366.10/x
  3. Step 3: Cross multiply
    319,453,041,505.78x = 479,209,019,582.78 × 104,322,711,366.10
  4. Step 4: Simplify right side
    319,453,041,505.78x = 49,992,384,233,966,122,565,632
  5. Step 5: Solve for x
    x = 49,992,384,233,966,122,565,632/319,453,041,505.78
  6. Step 6: Final answer
    x = 156,493,686,828.97

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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.