Home / 651,933,735.47-899,902,570.26-387,615,097.92

Finding the Fourth Proportional to 651,933,735.47, 899,902,570.26 and 387,615,097.92

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Solution

The fourth proportional to 651,933,735.47, 899,902,570.26 and 387,615,097.92 is: 535,047,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,933,735.47 : 899,902,570.26 = 387,615,097.92 : x
  2. Step 2: Convert to fraction form
    651,933,735.47/899,902,570.26 = 387,615,097.92/x
  3. Step 3: Cross multiply
    651,933,735.47x = 899,902,570.26 × 387,615,097.92
  4. Step 4: Simplify right side
    651,933,735.47x = 348,815,822,892,447,104
  5. Step 5: Solve for x
    x = 348,815,822,892,447,104/651,933,735.47
  6. Step 6: Final answer
    x = 535,047,971.77

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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.