Home / 1,174,379,537.89-1,619,139,320.65-961,903,619.59

Finding the Fourth Proportional to 1,174,379,537.89, 1,619,139,320.65 and 961,903,619.59

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Solution

The fourth proportional to 1,174,379,537.89, 1,619,139,320.65 and 961,903,619.59 is: 1,326,194,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,379,537.89 : 1,619,139,320.65 = 961,903,619.59 : x
  2. Step 2: Convert to fraction form
    1,174,379,537.89/1,619,139,320.65 = 961,903,619.59/x
  3. Step 3: Cross multiply
    1,174,379,537.89x = 1,619,139,320.65 × 961,903,619.59
  4. Step 4: Simplify right side
    1,174,379,537.89x = 1,557,455,973,153,728,768
  5. Step 5: Solve for x
    x = 1,557,455,973,153,728,768/1,174,379,537.89
  6. Step 6: Final answer
    x = 1,326,194,746.17

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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.