Home / 1,078,111,671.75-1,487,794,105.95-583,074,379.71

Finding the Fourth Proportional to 1,078,111,671.75, 1,487,794,105.95 and 583,074,379.71

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Solution

The fourth proportional to 1,078,111,671.75, 1,487,794,105.95 and 583,074,379.71 is: 804,642,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,111,671.75 : 1,487,794,105.95 = 583,074,379.71 : x
  2. Step 2: Convert to fraction form
    1,078,111,671.75/1,487,794,105.95 = 583,074,379.71/x
  3. Step 3: Cross multiply
    1,078,111,671.75x = 1,487,794,105.95 × 583,074,379.71
  4. Step 4: Simplify right side
    1,078,111,671.75x = 867,494,625,462,990,336
  5. Step 5: Solve for x
    x = 867,494,625,462,990,336/1,078,111,671.75
  6. Step 6: Final answer
    x = 804,642,643.42

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Double scale
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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.