Home / 380,202,339,781.80-570,303,509,672.70-318,834,934,324.20

Finding the Fourth Proportional to 380,202,339,781.80, 570,303,509,672.70 and 318,834,934,324.20

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Solution

The fourth proportional to 380,202,339,781.80, 570,303,509,672.70 and 318,834,934,324.20 is: 478,252,401,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,202,339,781.80 : 570,303,509,672.70 = 318,834,934,324.20 : x
  2. Step 2: Convert to fraction form
    380,202,339,781.80/570,303,509,672.70 = 318,834,934,324.20/x
  3. Step 3: Cross multiply
    380,202,339,781.80x = 570,303,509,672.70 × 318,834,934,324.20
  4. Step 4: Simplify right side
    380,202,339,781.80x = 181,832,682,051,356,049,014,784
  5. Step 5: Solve for x
    x = 181,832,682,051,356,049,014,784/380,202,339,781.80
  6. Step 6: Final answer
    x = 478,252,401,486.30

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1.5x scale

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.