Home / 1,174,379,554.36-1,619,139,343.47-961,903,636.09

Finding the Fourth Proportional to 1,174,379,554.36, 1,619,139,343.47 and 961,903,636.09

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Solution

The fourth proportional to 1,174,379,554.36, 1,619,139,343.47 and 961,903,636.09 is: 1,326,194,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,379,554.36 : 1,619,139,343.47 = 961,903,636.09 : x
  2. Step 2: Convert to fraction form
    1,174,379,554.36/1,619,139,343.47 = 961,903,636.09/x
  3. Step 3: Cross multiply
    1,174,379,554.36x = 1,619,139,343.47 × 961,903,636.09
  4. Step 4: Simplify right side
    1,174,379,554.36x = 1,557,456,021,820,168,448
  5. Step 5: Solve for x
    x = 1,557,456,021,820,168,448/1,174,379,554.36
  6. Step 6: Final answer
    x = 1,326,194,769.01

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Double scale
Find fourth proportional to 1,174,379,555.36, 1,619,139,344.85 and 961,903,637.09
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1.5x scale

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.