Home / 828,113,027.60-1,241,114,532.60-440,121,731.60

Finding the Fourth Proportional to 828,113,027.60, 1,241,114,532.60 and 440,121,731.60

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Solution

The fourth proportional to 828,113,027.60, 1,241,114,532.60 and 440,121,731.60 is: 659,621,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,113,027.60 : 1,241,114,532.60 = 440,121,731.60 : x
  2. Step 2: Convert to fraction form
    828,113,027.60/1,241,114,532.60 = 440,121,731.60/x
  3. Step 3: Cross multiply
    828,113,027.60x = 1,241,114,532.60 × 440,121,731.60
  4. Step 4: Simplify right side
    828,113,027.60x = 546,241,477,201,836,608
  5. Step 5: Solve for x
    x = 546,241,477,201,836,608/828,113,027.60
  6. Step 6: Final answer
    x = 659,621,886.14

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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.