Home / 823,443,645.09-1,136,371,975.11-447,116,094.39

Finding the Fourth Proportional to 823,443,645.09, 1,136,371,975.11 and 447,116,094.39

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Solution

The fourth proportional to 823,443,645.09, 1,136,371,975.11 and 447,116,094.39 is: 617,030,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,443,645.09 : 1,136,371,975.11 = 447,116,094.39 : x
  2. Step 2: Convert to fraction form
    823,443,645.09/1,136,371,975.11 = 447,116,094.39/x
  3. Step 3: Cross multiply
    823,443,645.09x = 1,136,371,975.11 × 447,116,094.39
  4. Step 4: Simplify right side
    823,443,645.09x = 508,090,199,285,433,408
  5. Step 5: Solve for x
    x = 508,090,199,285,433,408/823,443,645.09
  6. Step 6: Final answer
    x = 617,030,931.40

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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.