Home / 21,286,756,427.28-31,929,783,355.80-6,363,956,927.76

Finding the Fourth Proportional to 21,286,756,427.28, 31,929,783,355.80 and 6,363,956,927.76

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Solution

The fourth proportional to 21,286,756,427.28, 31,929,783,355.80 and 6,363,956,927.76 is: 9,545,830,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286,756,427.28 : 31,929,783,355.80 = 6,363,956,927.76 : x
  2. Step 2: Convert to fraction form
    21,286,756,427.28/31,929,783,355.80 = 6,363,956,927.76/x
  3. Step 3: Cross multiply
    21,286,756,427.28x = 31,929,783,355.80 × 6,363,956,927.76
  4. Step 4: Simplify right side
    21,286,756,427.28x = 203,199,765,989,019,353,088
  5. Step 5: Solve for x
    x = 203,199,765,989,019,353,088/21,286,756,427.28
  6. Step 6: Final answer
    x = 9,545,830,370.31

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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.