Home / 1,218,153,777,982.70-1,827,291,360,197.70-463,595,840,961.60

Finding the Fourth Proportional to 1,218,153,777,982.70, 1,827,291,360,197.70 and 463,595,840,961.60

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Solution

The fourth proportional to 1,218,153,777,982.70, 1,827,291,360,197.70 and 463,595,840,961.60 is: 695,416,859,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,153,777,982.70 : 1,827,291,360,197.70 = 463,595,840,961.60 : x
  2. Step 2: Convert to fraction form
    1,218,153,777,982.70/1,827,291,360,197.70 = 463,595,840,961.60/x
  3. Step 3: Cross multiply
    1,218,153,777,982.70x = 1,827,291,360,197.70 × 463,595,840,961.60
  4. Step 4: Simplify right side
    1,218,153,777,982.70x = 847,124,674,812,718,635,548,672
  5. Step 5: Solve for x
    x = 847,124,674,812,718,635,548,672/1,218,153,777,982.70
  6. Step 6: Final answer
    x = 695,416,859,614.87

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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.