Home / 886,235,134.96-1,328,164,437.92-689,735,825.16

Finding the Fourth Proportional to 886,235,134.96, 1,328,164,437.92 and 689,735,825.16

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Solution

The fourth proportional to 886,235,134.96, 1,328,164,437.92 and 689,735,825.16 is: 1,033,678,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,235,134.96 : 1,328,164,437.92 = 689,735,825.16 : x
  2. Step 2: Convert to fraction form
    886,235,134.96/1,328,164,437.92 = 689,735,825.16/x
  3. Step 3: Cross multiply
    886,235,134.96x = 1,328,164,437.92 × 689,735,825.16
  4. Step 4: Simplify right side
    886,235,134.96x = 916,082,594,536,918,784
  5. Step 5: Solve for x
    x = 916,082,594,536,918,784/886,235,134.96
  6. Step 6: Final answer
    x = 1,033,678,939.59

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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.