Home / 762,452,470.46-1,138,544,338.87-622,670,223.59

Finding the Fourth Proportional to 762,452,470.46, 1,138,544,338.87 and 622,670,223.59

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Solution

The fourth proportional to 762,452,470.46, 1,138,544,338.87 and 622,670,223.59 is: 929,812,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,452,470.46 : 1,138,544,338.87 = 622,670,223.59 : x
  2. Step 2: Convert to fraction form
    762,452,470.46/1,138,544,338.87 = 622,670,223.59/x
  3. Step 3: Cross multiply
    762,452,470.46x = 1,138,544,338.87 × 622,670,223.59
  4. Step 4: Simplify right side
    762,452,470.46x = 708,937,658,056,421,120
  5. Step 5: Solve for x
    x = 708,937,658,056,421,120/762,452,470.46
  6. Step 6: Final answer
    x = 929,812,264.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.