Home / 1,180,210,605.11-1,629,425,663.85-751,289,907.12

Finding the Fourth Proportional to 1,180,210,605.11, 1,629,425,663.85 and 751,289,907.12

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Solution

The fourth proportional to 1,180,210,605.11, 1,629,425,663.85 and 751,289,907.12 is: 1,037,247,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,210,605.11 : 1,629,425,663.85 = 751,289,907.12 : x
  2. Step 2: Convert to fraction form
    1,180,210,605.11/1,629,425,663.85 = 751,289,907.12/x
  3. Step 3: Cross multiply
    1,180,210,605.11x = 1,629,425,663.85 × 751,289,907.12
  4. Step 4: Simplify right side
    1,180,210,605.11x = 1,224,171,055,663,167,488
  5. Step 5: Solve for x
    x = 1,224,171,055,663,167,488/1,180,210,605.11
  6. Step 6: Final answer
    x = 1,037,247,971.14

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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.