Home / 3,742,948,309.79-5,615,283,509.78-1,256,139,237.62

Finding the Fourth Proportional to 3,742,948,309.79, 5,615,283,509.78 and 1,256,139,237.62

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Solution

The fourth proportional to 3,742,948,309.79, 5,615,283,509.78 and 1,256,139,237.62 is: 1,884,497,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,948,309.79 : 5,615,283,509.78 = 1,256,139,237.62 : x
  2. Step 2: Convert to fraction form
    3,742,948,309.79/5,615,283,509.78 = 1,256,139,237.62/x
  3. Step 3: Cross multiply
    3,742,948,309.79x = 5,615,283,509.78 × 1,256,139,237.62
  4. Step 4: Simplify right side
    3,742,948,309.79x = 7,053,577,947,002,963,968
  5. Step 5: Solve for x
    x = 7,053,577,947,002,963,968/3,742,948,309.79
  6. Step 6: Final answer
    x = 1,884,497,824.50

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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.