Home / 754,506,095.60-1,129,491,661.80-447,640,252.40

Finding the Fourth Proportional to 754,506,095.60, 1,129,491,661.80 and 447,640,252.40

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Solution

The fourth proportional to 754,506,095.60, 1,129,491,661.80 and 447,640,252.40 is: 670,115,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,506,095.60 : 1,129,491,661.80 = 447,640,252.40 : x
  2. Step 2: Convert to fraction form
    754,506,095.60/1,129,491,661.80 = 447,640,252.40/x
  3. Step 3: Cross multiply
    754,506,095.60x = 1,129,491,661.80 × 447,640,252.40
  4. Step 4: Simplify right side
    754,506,095.60x = 505,605,932,571,847,360
  5. Step 5: Solve for x
    x = 505,605,932,571,847,360/754,506,095.60
  6. Step 6: Final answer
    x = 670,115,106.45

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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.