Home / 318,849,202,186.36-440,011,936,324.78-174,333,429,777.20

Finding the Fourth Proportional to 318,849,202,186.36, 440,011,936,324.78 and 174,333,429,777.20

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Solution

The fourth proportional to 318,849,202,186.36, 440,011,936,324.78 and 174,333,429,777.20 is: 240,580,153,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,849,202,186.36 : 440,011,936,324.78 = 174,333,429,777.20 : x
  2. Step 2: Convert to fraction form
    318,849,202,186.36/440,011,936,324.78 = 174,333,429,777.20/x
  3. Step 3: Cross multiply
    318,849,202,186.36x = 440,011,936,324.78 × 174,333,429,777.20
  4. Step 4: Simplify right side
    318,849,202,186.36x = 76,708,790,002,405,842,354,176
  5. Step 5: Solve for x
    x = 76,708,790,002,405,842,354,176/318,849,202,186.36
  6. Step 6: Final answer
    x = 240,580,153,490.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.