Home / 752,742,441.37-1,128,725,972.53-337,863,597.40

Finding the Fourth Proportional to 752,742,441.37, 1,128,725,972.53 and 337,863,597.40

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Solution

The fourth proportional to 752,742,441.37, 1,128,725,972.53 and 337,863,597.40 is: 506,621,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,742,441.37 : 1,128,725,972.53 = 337,863,597.40 : x
  2. Step 2: Convert to fraction form
    752,742,441.37/1,128,725,972.53 = 337,863,597.40/x
  3. Step 3: Cross multiply
    752,742,441.37x = 1,128,725,972.53 × 337,863,597.40
  4. Step 4: Simplify right side
    752,742,441.37x = 381,355,417,556,110,080
  5. Step 5: Solve for x
    x = 381,355,417,556,110,080/752,742,441.37
  6. Step 6: Final answer
    x = 506,621,384.15

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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.