Home / 2,454,111,459.51-3,386,677,603.19-1,396,839,420.69

Finding the Fourth Proportional to 2,454,111,459.51, 3,386,677,603.19 and 1,396,839,420.69

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Solution

The fourth proportional to 2,454,111,459.51, 3,386,677,603.19 and 1,396,839,420.69 is: 1,927,640,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454,111,459.51 : 3,386,677,603.19 = 1,396,839,420.69 : x
  2. Step 2: Convert to fraction form
    2,454,111,459.51/3,386,677,603.19 = 1,396,839,420.69/x
  3. Step 3: Cross multiply
    2,454,111,459.51x = 3,386,677,603.19 × 1,396,839,420.69
  4. Step 4: Simplify right side
    2,454,111,459.51x = 4,730,644,781,296,733,184
  5. Step 5: Solve for x
    x = 4,730,644,781,296,733,184/2,454,111,459.51
  6. Step 6: Final answer
    x = 1,927,640,557.22

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Double scale
Find fourth proportional to 2,454,111,460.51, 3,386,677,604.57 and 1,396,839,421.69
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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.