Home / 1,347,222,747.40-2,021,128,053.90-765,235,803.40

Finding the Fourth Proportional to 1,347,222,747.40, 2,021,128,053.90 and 765,235,803.40

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Solution

The fourth proportional to 1,347,222,747.40, 2,021,128,053.90 and 765,235,803.40 is: 1,148,020,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,222,747.40 : 2,021,128,053.90 = 765,235,803.40 : x
  2. Step 2: Convert to fraction form
    1,347,222,747.40/2,021,128,053.90 = 765,235,803.40/x
  3. Step 3: Cross multiply
    1,347,222,747.40x = 2,021,128,053.90 × 765,235,803.40
  4. Step 4: Simplify right side
    1,347,222,747.40x = 1,546,639,550,100,444,928
  5. Step 5: Solve for x
    x = 1,546,639,550,100,444,928/1,347,222,747.40
  6. Step 6: Final answer
    x = 1,148,020,661.83

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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.