Home / 1,116,176,565.20-1,674,264,847.80-339,816,059.60

Finding the Fourth Proportional to 1,116,176,565.20, 1,674,264,847.80 and 339,816,059.60

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Solution

The fourth proportional to 1,116,176,565.20, 1,674,264,847.80 and 339,816,059.60 is: 509,724,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,176,565.20 : 1,674,264,847.80 = 339,816,059.60 : x
  2. Step 2: Convert to fraction form
    1,116,176,565.20/1,674,264,847.80 = 339,816,059.60/x
  3. Step 3: Cross multiply
    1,116,176,565.20x = 1,674,264,847.80 × 339,816,059.60
  4. Step 4: Simplify right side
    1,116,176,565.20x = 568,942,083,306,189,760
  5. Step 5: Solve for x
    x = 568,942,083,306,189,760/1,116,176,565.20
  6. Step 6: Final answer
    x = 509,724,089.40

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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.