Home / 823,686,001.05-1,136,756,782.31-466,517,311.05

Finding the Fourth Proportional to 823,686,001.05, 1,136,756,782.31 and 466,517,311.05

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Solution

The fourth proportional to 823,686,001.05, 1,136,756,782.31 and 466,517,311.05 is: 643,833,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,686,001.05 : 1,136,756,782.31 = 466,517,311.05 : x
  2. Step 2: Convert to fraction form
    823,686,001.05/1,136,756,782.31 = 466,517,311.05/x
  3. Step 3: Cross multiply
    823,686,001.05x = 1,136,756,782.31 × 466,517,311.05
  4. Step 4: Simplify right side
    823,686,001.05x = 530,316,717,401,111,424
  5. Step 5: Solve for x
    x = 530,316,717,401,111,424/823,686,001.05
  6. Step 6: Final answer
    x = 643,833,592.81

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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.