Home / 21,608,023,577.28-29,818,432,094.40-11,963,183,399.52

Finding the Fourth Proportional to 21,608,023,577.28, 29,818,432,094.40 and 11,963,183,399.52

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Solution

The fourth proportional to 21,608,023,577.28, 29,818,432,094.40 and 11,963,183,399.52 is: 16,508,838,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608,023,577.28 : 29,818,432,094.40 = 11,963,183,399.52 : x
  2. Step 2: Convert to fraction form
    21,608,023,577.28/29,818,432,094.40 = 11,963,183,399.52/x
  3. Step 3: Cross multiply
    21,608,023,577.28x = 29,818,432,094.40 × 11,963,183,399.52
  4. Step 4: Simplify right side
    21,608,023,577.28x = 356,723,371,831,440,506,880
  5. Step 5: Solve for x
    x = 356,723,371,831,440,506,880/21,608,023,577.28
  6. Step 6: Final answer
    x = 16,508,838,513.42

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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.