Home / 25,631,271,827.64-38,457,956,399.76-13,838,048,653.68

Finding the Fourth Proportional to 25,631,271,827.64, 38,457,956,399.76 and 13,838,048,653.68

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Solution

The fourth proportional to 25,631,271,827.64, 38,457,956,399.76 and 13,838,048,653.68 is: 20,763,038,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631,271,827.64 : 38,457,956,399.76 = 13,838,048,653.68 : x
  2. Step 2: Convert to fraction form
    25,631,271,827.64/38,457,956,399.76 = 13,838,048,653.68/x
  3. Step 3: Cross multiply
    25,631,271,827.64x = 38,457,956,399.76 × 13,838,048,653.68
  4. Step 4: Simplify right side
    25,631,271,827.64x = 532,183,071,780,983,078,912
  5. Step 5: Solve for x
    x = 532,183,071,780,983,078,912/25,631,271,827.64
  6. Step 6: Final answer
    x = 20,763,038,032.59

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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.