Home / 696,114,866.89-1,044,172,578.57-171,494,173.81

Finding the Fourth Proportional to 696,114,866.89, 1,044,172,578.57 and 171,494,173.81

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Solution

The fourth proportional to 696,114,866.89, 1,044,172,578.57 and 171,494,173.81 is: 257,241,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,114,866.89 : 1,044,172,578.57 = 171,494,173.81 : x
  2. Step 2: Convert to fraction form
    696,114,866.89/1,044,172,578.57 = 171,494,173.81/x
  3. Step 3: Cross multiply
    696,114,866.89x = 1,044,172,578.57 × 171,494,173.81
  4. Step 4: Simplify right side
    696,114,866.89x = 179,069,513,676,919,488
  5. Step 5: Solve for x
    x = 179,069,513,676,919,488/696,114,866.89
  6. Step 6: Final answer
    x = 257,241,329.26

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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.