Home / 219,061,079,769.02-302,304,060,806.93-122,717,844,406.43

Finding the Fourth Proportional to 219,061,079,769.02, 302,304,060,806.93 and 122,717,844,406.43

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Solution

The fourth proportional to 219,061,079,769.02, 302,304,060,806.93 and 122,717,844,406.43 is: 169,350,496,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,061,079,769.02 : 302,304,060,806.93 = 122,717,844,406.43 : x
  2. Step 2: Convert to fraction form
    219,061,079,769.02/302,304,060,806.93 = 122,717,844,406.43/x
  3. Step 3: Cross multiply
    219,061,079,769.02x = 302,304,060,806.93 × 122,717,844,406.43
  4. Step 4: Simplify right side
    219,061,079,769.02x = 37,098,102,697,536,784,433,152
  5. Step 5: Solve for x
    x = 37,098,102,697,536,784,433,152/219,061,079,769.02
  6. Step 6: Final answer
    x = 169,350,496,841.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.