Home / 556,652,554.59-768,159,480.24-309,149,852.07

Finding the Fourth Proportional to 556,652,554.59, 768,159,480.24 and 309,149,852.07

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Solution

The fourth proportional to 556,652,554.59, 768,159,480.24 and 309,149,852.07 is: 426,615,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,652,554.59 : 768,159,480.24 = 309,149,852.07 : x
  2. Step 2: Convert to fraction form
    556,652,554.59/768,159,480.24 = 309,149,852.07/x
  3. Step 3: Cross multiply
    556,652,554.59x = 768,159,480.24 × 309,149,852.07
  4. Step 4: Simplify right side
    556,652,554.59x = 237,476,389,682,364,096
  5. Step 5: Solve for x
    x = 237,476,389,682,364,096/556,652,554.59
  6. Step 6: Final answer
    x = 426,615,107.98

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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.