Home / 1,106,350,457.40-1,659,609,666.90-329,935,519.80

Finding the Fourth Proportional to 1,106,350,457.40, 1,659,609,666.90 and 329,935,519.80

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Solution

The fourth proportional to 1,106,350,457.40, 1,659,609,666.90 and 329,935,519.80 is: 494,928,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,350,457.40 : 1,659,609,666.90 = 329,935,519.80 : x
  2. Step 2: Convert to fraction form
    1,106,350,457.40/1,659,609,666.90 = 329,935,519.80/x
  3. Step 3: Cross multiply
    1,106,350,457.40x = 1,659,609,666.90 × 329,935,519.80
  4. Step 4: Simplify right side
    1,106,350,457.40x = 547,564,178,113,756,416
  5. Step 5: Solve for x
    x = 547,564,178,113,756,416/1,106,350,457.40
  6. Step 6: Final answer
    x = 494,928,324.43

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Double scale
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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.