Home / 754,518,154.60-1,129,509,750.30-447,652,311.40

Finding the Fourth Proportional to 754,518,154.60, 1,129,509,750.30 and 447,652,311.40

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Solution

The fourth proportional to 754,518,154.60, 1,129,509,750.30 and 447,652,311.40 is: 670,133,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,518,154.60 : 1,129,509,750.30 = 447,652,311.40 : x
  2. Step 2: Convert to fraction form
    754,518,154.60/1,129,509,750.30 = 447,652,311.40/x
  3. Step 3: Cross multiply
    754,518,154.60x = 1,129,509,750.30 × 447,652,311.40
  4. Step 4: Simplify right side
    754,518,154.60x = 505,627,650,470,631,808
  5. Step 5: Solve for x
    x = 505,627,650,470,631,808/754,518,154.60
  6. Step 6: Final answer
    x = 670,133,180.21

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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.