Home / 846,597,694.81-1,168,041,242.42-489,235,280.42

Finding the Fourth Proportional to 846,597,694.81, 1,168,041,242.42 and 489,235,280.42

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Solution

The fourth proportional to 846,597,694.81, 1,168,041,242.42 and 489,235,280.42 is: 674,992,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,597,694.81 : 1,168,041,242.42 = 489,235,280.42 : x
  2. Step 2: Convert to fraction form
    846,597,694.81/1,168,041,242.42 = 489,235,280.42/x
  3. Step 3: Cross multiply
    846,597,694.81x = 1,168,041,242.42 × 489,235,280.42
  4. Step 4: Simplify right side
    846,597,694.81x = 571,446,984,773,193,600
  5. Step 5: Solve for x
    x = 571,446,984,773,193,600/846,597,694.81
  6. Step 6: Final answer
    x = 674,992,370.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.