Home / 25,615,085,111.60-38,433,671,142.68-9,904,970,415.92

Finding the Fourth Proportional to 25,615,085,111.60, 38,433,671,142.68 and 9,904,970,415.92

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Solution

The fourth proportional to 25,615,085,111.60, 38,433,671,142.68 and 9,904,970,415.92 is: 14,861,725,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615,085,111.60 : 38,433,671,142.68 = 9,904,970,415.92 : x
  2. Step 2: Convert to fraction form
    25,615,085,111.60/38,433,671,142.68 = 9,904,970,415.92/x
  3. Step 3: Cross multiply
    25,615,085,111.60x = 38,433,671,142.68 × 9,904,970,415.92
  4. Step 4: Simplify right side
    25,615,085,111.60x = 380,684,375,643,443,625,984
  5. Step 5: Solve for x
    x = 380,684,375,643,443,625,984/25,615,085,111.60
  6. Step 6: Final answer
    x = 14,861,725,970.65

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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.