Home / 437,235,321.40-655,886,888.70-146,103,485.20

Finding the Fourth Proportional to 437,235,321.40, 655,886,888.70 and 146,103,485.20

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Solution

The fourth proportional to 437,235,321.40, 655,886,888.70 and 146,103,485.20 is: 219,166,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,235,321.40 : 655,886,888.70 = 146,103,485.20 : x
  2. Step 2: Convert to fraction form
    437,235,321.40/655,886,888.70 = 146,103,485.20/x
  3. Step 3: Cross multiply
    437,235,321.40x = 655,886,888.70 × 146,103,485.20
  4. Step 4: Simplify right side
    437,235,321.40x = 95,827,360,336,054,496
  5. Step 5: Solve for x
    x = 95,827,360,336,054,496/437,235,321.40
  6. Step 6: Final answer
    x = 219,166,557.79

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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.