Home / 1,008,047,878.60-1,512,071,817.90-803,974,534.60

Finding the Fourth Proportional to 1,008,047,878.60, 1,512,071,817.90 and 803,974,534.60

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Solution

The fourth proportional to 1,008,047,878.60, 1,512,071,817.90 and 803,974,534.60 is: 1,205,961,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,047,878.60 : 1,512,071,817.90 = 803,974,534.60 : x
  2. Step 2: Convert to fraction form
    1,008,047,878.60/1,512,071,817.90 = 803,974,534.60/x
  3. Step 3: Cross multiply
    1,008,047,878.60x = 1,512,071,817.90 × 803,974,534.60
  4. Step 4: Simplify right side
    1,008,047,878.60x = 1,215,667,236,077,928,448
  5. Step 5: Solve for x
    x = 1,215,667,236,077,928,448/1,008,047,878.60
  6. Step 6: Final answer
    x = 1,205,961,801.90

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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.