Home / 823,685,996.80-1,136,756,776.44-466,517,306.80

Finding the Fourth Proportional to 823,685,996.80, 1,136,756,776.44 and 466,517,306.80

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Solution

The fourth proportional to 823,685,996.80, 1,136,756,776.44 and 466,517,306.80 is: 643,833,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,685,996.80 : 1,136,756,776.44 = 466,517,306.80 : x
  2. Step 2: Convert to fraction form
    823,685,996.80/1,136,756,776.44 = 466,517,306.80/x
  3. Step 3: Cross multiply
    823,685,996.80x = 1,136,756,776.44 × 466,517,306.80
  4. Step 4: Simplify right side
    823,685,996.80x = 530,316,709,831,438,528
  5. Step 5: Solve for x
    x = 530,316,709,831,438,528/823,685,996.80
  6. Step 6: Final answer
    x = 643,833,586.94

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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.