Home / 752,742,443.62-1,128,725,975.90-337,863,599.64

Finding the Fourth Proportional to 752,742,443.62, 1,128,725,975.90 and 337,863,599.64

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Solution

The fourth proportional to 752,742,443.62, 1,128,725,975.90 and 337,863,599.64 is: 506,621,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,742,443.62 : 1,128,725,975.90 = 337,863,599.64 : x
  2. Step 2: Convert to fraction form
    752,742,443.62/1,128,725,975.90 = 337,863,599.64/x
  3. Step 3: Cross multiply
    752,742,443.62x = 1,128,725,975.90 × 337,863,599.64
  4. Step 4: Simplify right side
    752,742,443.62x = 381,355,421,224,745,920
  5. Step 5: Solve for x
    x = 381,355,421,224,745,920/752,742,443.62
  6. Step 6: Final answer
    x = 506,621,387.51

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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.