Home / 258,698,053.20-388,047,079.80-233,188,885.20

Finding the Fourth Proportional to 258,698,053.20, 388,047,079.80 and 233,188,885.20

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Solution

The fourth proportional to 258,698,053.20, 388,047,079.80 and 233,188,885.20 is: 349,783,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,698,053.20 : 388,047,079.80 = 233,188,885.20 : x
  2. Step 2: Convert to fraction form
    258,698,053.20/388,047,079.80 = 233,188,885.20/x
  3. Step 3: Cross multiply
    258,698,053.20x = 388,047,079.80 × 233,188,885.20
  4. Step 4: Simplify right side
    258,698,053.20x = 90,488,265,943,677,440
  5. Step 5: Solve for x
    x = 90,488,265,943,677,440/258,698,053.20
  6. Step 6: Final answer
    x = 349,783,327.80

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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.