Home / 18,623,742,342.72-25,696,927,844.64-10,701,615,128.64

Finding the Fourth Proportional to 18,623,742,342.72, 25,696,927,844.64 and 10,701,615,128.64

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Solution

The fourth proportional to 18,623,742,342.72, 25,696,927,844.64 and 10,701,615,128.64 is: 14,766,024,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623,742,342.72 : 25,696,927,844.64 = 10,701,615,128.64 : x
  2. Step 2: Convert to fraction form
    18,623,742,342.72/25,696,927,844.64 = 10,701,615,128.64/x
  3. Step 3: Cross multiply
    18,623,742,342.72x = 25,696,927,844.64 × 10,701,615,128.64
  4. Step 4: Simplify right side
    18,623,742,342.72x = 274,998,631,781,769,871,360
  5. Step 5: Solve for x
    x = 274,998,631,781,769,871,360/18,623,742,342.72
  6. Step 6: Final answer
    x = 14,766,024,288.84

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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.