Home / 612,353,191.40-918,527,165.51-169,694,606.80

Finding the Fourth Proportional to 612,353,191.40, 918,527,165.51 and 169,694,606.80

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Solution

The fourth proportional to 612,353,191.40, 918,527,165.51 and 169,694,606.80 is: 254,541,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,353,191.40 : 918,527,165.51 = 169,694,606.80 : x
  2. Step 2: Convert to fraction form
    612,353,191.40/918,527,165.51 = 169,694,606.80/x
  3. Step 3: Cross multiply
    612,353,191.40x = 918,527,165.51 × 169,694,606.80
  4. Step 4: Simplify right side
    612,353,191.40x = 155,869,106,186,337,984
  5. Step 5: Solve for x
    x = 155,869,106,186,337,984/612,353,191.40
  6. Step 6: Final answer
    x = 254,541,183.71

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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.