Home / 319,788,045.83-479,682,068.74-314,686,212.23

Finding the Fourth Proportional to 319,788,045.83, 479,682,068.74 and 314,686,212.23

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Solution

The fourth proportional to 319,788,045.83, 479,682,068.74 and 314,686,212.23 is: 472,029,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,045.83 : 479,682,068.74 = 314,686,212.23 : x
  2. Step 2: Convert to fraction form
    319,788,045.83/479,682,068.74 = 314,686,212.23/x
  3. Step 3: Cross multiply
    319,788,045.83x = 479,682,068.74 × 314,686,212.23
  4. Step 4: Simplify right side
    319,788,045.83x = 150,949,333,283,255,968
  5. Step 5: Solve for x
    x = 150,949,333,283,255,968/319,788,045.83
  6. Step 6: Final answer
    x = 472,029,318.34

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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.