Home / 325,920,764.40-488,967,751.80-141,609,152.40

Finding the Fourth Proportional to 325,920,764.40, 488,967,751.80 and 141,609,152.40

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Solution

The fourth proportional to 325,920,764.40, 488,967,751.80 and 141,609,152.40 is: 212,451,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,920,764.40 : 488,967,751.80 = 141,609,152.40 : x
  2. Step 2: Convert to fraction form
    325,920,764.40/488,967,751.80 = 141,609,152.40/x
  3. Step 3: Cross multiply
    325,920,764.40x = 488,967,751.80 × 141,609,152.40
  4. Step 4: Simplify right side
    325,920,764.40x = 69,242,308,883,331,576
  5. Step 5: Solve for x
    x = 69,242,308,883,331,576/325,920,764.40
  6. Step 6: Final answer
    x = 212,451,357.65

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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.