Home / 489,916,059.60-734,023,783.80-317,304,022.80

Finding the Fourth Proportional to 489,916,059.60, 734,023,783.80 and 317,304,022.80

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Solution

The fourth proportional to 489,916,059.60, 734,023,783.80 and 317,304,022.80 is: 475,405,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,916,059.60 : 734,023,783.80 = 317,304,022.80 : x
  2. Step 2: Convert to fraction form
    489,916,059.60/734,023,783.80 = 317,304,022.80/x
  3. Step 3: Cross multiply
    489,916,059.60x = 734,023,783.80 × 317,304,022.80
  4. Step 4: Simplify right side
    489,916,059.60x = 232,908,699,430,617,472
  5. Step 5: Solve for x
    x = 232,908,699,430,617,472/489,916,059.60
  6. Step 6: Final answer
    x = 475,405,316.62

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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.