Home / 562,607,991.12-776,399,027.76-315,089,345.37

Finding the Fourth Proportional to 562,607,991.12, 776,399,027.76 and 315,089,345.37

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Solution

The fourth proportional to 562,607,991.12, 776,399,027.76 and 315,089,345.37 is: 434,823,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,607,991.12 : 776,399,027.76 = 315,089,345.37 : x
  2. Step 2: Convert to fraction form
    562,607,991.12/776,399,027.76 = 315,089,345.37/x
  3. Step 3: Cross multiply
    562,607,991.12x = 776,399,027.76 × 315,089,345.37
  4. Step 4: Simplify right side
    562,607,991.12x = 244,635,061,402,802,848
  5. Step 5: Solve for x
    x = 244,635,061,402,802,848/562,607,991.12
  6. Step 6: Final answer
    x = 434,823,296.62

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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.