Home / 1,159,743,291.66-1,600,445,979.27-638,222,523.66

Finding the Fourth Proportional to 1,159,743,291.66, 1,600,445,979.27 and 638,222,523.66

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Solution

The fourth proportional to 1,159,743,291.66, 1,600,445,979.27 and 638,222,523.66 is: 880,747,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,743,291.66 : 1,600,445,979.27 = 638,222,523.66 : x
  2. Step 2: Convert to fraction form
    1,159,743,291.66/1,600,445,979.27 = 638,222,523.66/x
  3. Step 3: Cross multiply
    1,159,743,291.66x = 1,600,445,979.27 × 638,222,523.66
  4. Step 4: Simplify right side
    1,159,743,291.66x = 1,021,440,671,871,199,360
  5. Step 5: Solve for x
    x = 1,021,440,671,871,199,360/1,159,743,291.66
  6. Step 6: Final answer
    x = 880,747,212.95

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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.