Home / 989,838,237.51-1,485,119,441.90-931,361,957.48

Finding the Fourth Proportional to 989,838,237.51, 1,485,119,441.90 and 931,361,957.48

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Solution

The fourth proportional to 989,838,237.51, 1,485,119,441.90 and 931,361,957.48 is: 1,397,383,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,838,237.51 : 1,485,119,441.90 = 931,361,957.48 : x
  2. Step 2: Convert to fraction form
    989,838,237.51/1,485,119,441.90 = 931,361,957.48/x
  3. Step 3: Cross multiply
    989,838,237.51x = 1,485,119,441.90 × 931,361,957.48
  4. Step 4: Simplify right side
    989,838,237.51x = 1,383,183,750,505,630,208
  5. Step 5: Solve for x
    x = 1,383,183,750,505,630,208/989,838,237.51
  6. Step 6: Final answer
    x = 1,397,383,631.07

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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.