Home / 896,793,087.60-1,345,189,631.40-315,184,057.20

Finding the Fourth Proportional to 896,793,087.60, 1,345,189,631.40 and 315,184,057.20

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Solution

The fourth proportional to 896,793,087.60, 1,345,189,631.40 and 315,184,057.20 is: 472,776,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,793,087.60 : 1,345,189,631.40 = 315,184,057.20 : x
  2. Step 2: Convert to fraction form
    896,793,087.60/1,345,189,631.40 = 315,184,057.20/x
  3. Step 3: Cross multiply
    896,793,087.60x = 1,345,189,631.40 × 315,184,057.20
  4. Step 4: Simplify right side
    896,793,087.60x = 423,982,325,728,024,512
  5. Step 5: Solve for x
    x = 423,982,325,728,024,512/896,793,087.60
  6. Step 6: Final answer
    x = 472,776,085.80

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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.