Home / 1,093,598,832.96-1,639,733,945.76-428,816,381.40

Finding the Fourth Proportional to 1,093,598,832.96, 1,639,733,945.76 and 428,816,381.40

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Solution

The fourth proportional to 1,093,598,832.96, 1,639,733,945.76 and 428,816,381.40 is: 642,964,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,598,832.96 : 1,639,733,945.76 = 428,816,381.40 : x
  2. Step 2: Convert to fraction form
    1,093,598,832.96/1,639,733,945.76 = 428,816,381.40/x
  3. Step 3: Cross multiply
    1,093,598,832.96x = 1,639,733,945.76 × 428,816,381.40
  4. Step 4: Simplify right side
    1,093,598,832.96x = 703,144,777,079,547,008
  5. Step 5: Solve for x
    x = 703,144,777,079,547,008/1,093,598,832.96
  6. Step 6: Final answer
    x = 642,964,088.74

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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.