Home / 654,878,857,498.80-981,440,218,822.73-509,676,491,133.81

Finding the Fourth Proportional to 654,878,857,498.80, 981,440,218,822.73 and 509,676,491,133.81

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Solution

The fourth proportional to 654,878,857,498.80, 981,440,218,822.73 and 509,676,491,133.81 is: 763,831,357,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,878,857,498.80 : 981,440,218,822.73 = 509,676,491,133.81 : x
  2. Step 2: Convert to fraction form
    654,878,857,498.80/981,440,218,822.73 = 509,676,491,133.81/x
  3. Step 3: Cross multiply
    654,878,857,498.80x = 981,440,218,822.73 × 509,676,491,133.81
  4. Step 4: Simplify right side
    654,878,857,498.80x = 500,217,006,987,167,683,051,520
  5. Step 5: Solve for x
    x = 500,217,006,987,167,683,051,520/654,878,857,498.80
  6. Step 6: Final answer
    x = 763,831,357,905.89

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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.