Home / 319,783,539.51-479,852,674.71-156,022,641.63

Finding the Fourth Proportional to 319,783,539.51, 479,852,674.71 and 156,022,641.63

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Solution

The fourth proportional to 319,783,539.51, 479,852,674.71 and 156,022,641.63 is: 234,120,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783,539.51 : 479,852,674.71 = 156,022,641.63 : x
  2. Step 2: Convert to fraction form
    319,783,539.51/479,852,674.71 = 156,022,641.63/x
  3. Step 3: Cross multiply
    319,783,539.51x = 479,852,674.71 × 156,022,641.63
  4. Step 4: Simplify right side
    319,783,539.51x = 74,867,881,901,475,296
  5. Step 5: Solve for x
    x = 74,867,881,901,475,296/319,783,539.51
  6. Step 6: Final answer
    x = 234,120,499.19

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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.