Home / 1,508,968,413.36-2,082,376,506.42-839,899,055.07

Finding the Fourth Proportional to 1,508,968,413.36, 2,082,376,506.42 and 839,899,055.07

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Solution

The fourth proportional to 1,508,968,413.36, 2,082,376,506.42 and 839,899,055.07 is: 1,159,060,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,968,413.36 : 2,082,376,506.42 = 839,899,055.07 : x
  2. Step 2: Convert to fraction form
    1,508,968,413.36/2,082,376,506.42 = 839,899,055.07/x
  3. Step 3: Cross multiply
    1,508,968,413.36x = 2,082,376,506.42 × 839,899,055.07
  4. Step 4: Simplify right side
    1,508,968,413.36x = 1,748,986,060,042,126,080
  5. Step 5: Solve for x
    x = 1,748,986,060,042,126,080/1,508,968,413.36
  6. Step 6: Final answer
    x = 1,159,060,749.42

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Double scale
Find fourth proportional to 1,508,968,414.36, 2,082,376,507.80 and 839,899,056.07
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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.