Home / 1,340,664,486.12-1,850,087,977.83-776,173,169.52

Finding the Fourth Proportional to 1,340,664,486.12, 1,850,087,977.83 and 776,173,169.52

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Solution

The fourth proportional to 1,340,664,486.12, 1,850,087,977.83 and 776,173,169.52 is: 1,071,102,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,664,486.12 : 1,850,087,977.83 = 776,173,169.52 : x
  2. Step 2: Convert to fraction form
    1,340,664,486.12/1,850,087,977.83 = 776,173,169.52/x
  3. Step 3: Cross multiply
    1,340,664,486.12x = 1,850,087,977.83 × 776,173,169.52
  4. Step 4: Simplify right side
    1,340,664,486.12x = 1,435,988,649,643,158,528
  5. Step 5: Solve for x
    x = 1,435,988,649,643,158,528/1,340,664,486.12
  6. Step 6: Final answer
    x = 1,071,102,176.95

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Double scale
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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.