Home / 325,728,051.60-488,592,077.40-293,479,424.40

Finding the Fourth Proportional to 325,728,051.60, 488,592,077.40 and 293,479,424.40

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Solution

The fourth proportional to 325,728,051.60, 488,592,077.40 and 293,479,424.40 is: 440,219,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,728,051.60 : 488,592,077.40 = 293,479,424.40 : x
  2. Step 2: Convert to fraction form
    325,728,051.60/488,592,077.40 = 293,479,424.40/x
  3. Step 3: Cross multiply
    325,728,051.60x = 488,592,077.40 × 293,479,424.40
  4. Step 4: Simplify right side
    325,728,051.60x = 143,391,721,641,752,224
  5. Step 5: Solve for x
    x = 143,391,721,641,752,224/325,728,051.60
  6. Step 6: Final answer
    x = 440,219,136.60

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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.