Home / 345,905,275,043.60-518,936,151,323.88-186,724,957,976.24

Finding the Fourth Proportional to 345,905,275,043.60, 518,936,151,323.88 and 186,724,957,976.24

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Solution

The fourth proportional to 345,905,275,043.60, 518,936,151,323.88 and 186,724,957,976.24 is: 280,129,671,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,905,275,043.60 : 518,936,151,323.88 = 186,724,957,976.24 : x
  2. Step 2: Convert to fraction form
    345,905,275,043.60/518,936,151,323.88 = 186,724,957,976.24/x
  3. Step 3: Cross multiply
    345,905,275,043.60x = 518,936,151,323.88 × 186,724,957,976.24
  4. Step 4: Simplify right side
    345,905,275,043.60x = 96,898,331,048,303,208,169,472
  5. Step 5: Solve for x
    x = 96,898,331,048,303,208,169,472/345,905,275,043.60
  6. Step 6: Final answer
    x = 280,129,671,442.82

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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.