Home / 752,742,443.63-1,128,725,975.90-337,863,599.66

Finding the Fourth Proportional to 752,742,443.63, 1,128,725,975.90 and 337,863,599.66

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Solution

The fourth proportional to 752,742,443.63, 1,128,725,975.90 and 337,863,599.66 is: 506,621,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,742,443.63 : 1,128,725,975.90 = 337,863,599.66 : x
  2. Step 2: Convert to fraction form
    752,742,443.63/1,128,725,975.90 = 337,863,599.66/x
  3. Step 3: Cross multiply
    752,742,443.63x = 1,128,725,975.90 × 337,863,599.66
  4. Step 4: Simplify right side
    752,742,443.63x = 381,355,421,239,987,392
  5. Step 5: Solve for x
    x = 381,355,421,239,987,392/752,742,443.63
  6. Step 6: Final answer
    x = 506,621,387.53

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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.