Home / 15,426,831,905.96-21,287,325,846.17-8,651,256,160.90

Finding the Fourth Proportional to 15,426,831,905.96, 21,287,325,846.17 and 8,651,256,160.90

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Solution

The fourth proportional to 15,426,831,905.96, 21,287,325,846.17 and 8,651,256,160.90 is: 11,937,778,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426,831,905.96 : 21,287,325,846.17 = 8,651,256,160.90 : x
  2. Step 2: Convert to fraction form
    15,426,831,905.96/21,287,325,846.17 = 8,651,256,160.90/x
  3. Step 3: Cross multiply
    15,426,831,905.96x = 21,287,325,846.17 × 8,651,256,160.90
  4. Step 4: Simplify right side
    15,426,831,905.96x = 184,162,108,875,614,355,456
  5. Step 5: Solve for x
    x = 184,162,108,875,614,355,456/15,426,831,905.96
  6. Step 6: Final answer
    x = 11,937,778,929.48

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1.5x scale

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.