Home / 21,088,236,702,690-31,636,428,674,721-8,017,984,409,079

Finding the Fourth Proportional to 21,088,236,702,690, 31,636,428,674,721 and 8,017,984,409,079

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Solution

The fourth proportional to 21,088,236,702,690, 31,636,428,674,721 and 8,017,984,409,079 is: 12,028,525,449,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088,236,702,690 : 31,636,428,674,721 = 8,017,984,409,079 : x
  2. Step 2: Convert to fraction form
    21,088,236,702,690/31,636,428,674,721 = 8,017,984,409,079/x
  3. Step 3: Cross multiply
    21,088,236,702,690x = 31,636,428,674,721 × 8,017,984,409,079
  4. Step 4: Simplify right side
    21,088,236,702,690x = 253,660,391,872,852,774,357,041,152
  5. Step 5: Solve for x
    x = 253,660,391,872,852,774,357,041,152/21,088,236,702,690
  6. Step 6: Final answer
    x = 12,028,525,449,948.88

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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.