Home / 21,721,459,433.91-32,564,606,409.28-6,790,939,666.80

Finding the Fourth Proportional to 21,721,459,433.91, 32,564,606,409.28 and 6,790,939,666.80

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Solution

The fourth proportional to 21,721,459,433.91, 32,564,606,409.28 and 6,790,939,666.80 is: 10,180,912,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721,459,433.91 : 32,564,606,409.28 = 6,790,939,666.80 : x
  2. Step 2: Convert to fraction form
    21,721,459,433.91/32,564,606,409.28 = 6,790,939,666.80/x
  3. Step 3: Cross multiply
    21,721,459,433.91x = 32,564,606,409.28 × 6,790,939,666.80
  4. Step 4: Simplify right side
    21,721,459,433.91x = 221,144,277,398,509,060,096
  5. Step 5: Solve for x
    x = 221,144,277,398,509,060,096/21,721,459,433.91
  6. Step 6: Final answer
    x = 10,180,912,478.34

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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.