Home / 1,158,566,481.56-1,598,879,187.42-718,675,051.16

Finding the Fourth Proportional to 1,158,566,481.56, 1,598,879,187.42 and 718,675,051.16

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Solution

The fourth proportional to 1,158,566,481.56, 1,598,879,187.42 and 718,675,051.16 is: 991,807,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,566,481.56 : 1,598,879,187.42 = 718,675,051.16 : x
  2. Step 2: Convert to fraction form
    1,158,566,481.56/1,598,879,187.42 = 718,675,051.16/x
  3. Step 3: Cross multiply
    1,158,566,481.56x = 1,598,879,187.42 × 718,675,051.16
  4. Step 4: Simplify right side
    1,158,566,481.56x = 1,149,074,581,817,727,744
  5. Step 5: Solve for x
    x = 1,149,074,581,817,727,744/1,158,566,481.56
  6. Step 6: Final answer
    x = 991,807,203.22

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Double scale
Find fourth proportional to 1,158,566,482.56, 1,598,879,188.80 and 718,675,052.16
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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.