Home / 766,908,007.80-1,150,362,011.70-476,103,492.60

Finding the Fourth Proportional to 766,908,007.80, 1,150,362,011.70 and 476,103,492.60

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Solution

The fourth proportional to 766,908,007.80, 1,150,362,011.70 and 476,103,492.60 is: 714,155,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,908,007.80 : 1,150,362,011.70 = 476,103,492.60 : x
  2. Step 2: Convert to fraction form
    766,908,007.80/1,150,362,011.70 = 476,103,492.60/x
  3. Step 3: Cross multiply
    766,908,007.80x = 1,150,362,011.70 × 476,103,492.60
  4. Step 4: Simplify right side
    766,908,007.80x = 547,691,371,524,732,096
  5. Step 5: Solve for x
    x = 547,691,371,524,732,096/766,908,007.80
  6. Step 6: Final answer
    x = 714,155,238.90

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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.