Home / 1,432,464,418.91-1,976,780,650.05-805,931,352.18

Finding the Fourth Proportional to 1,432,464,418.91, 1,976,780,650.05 and 805,931,352.18

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Solution

The fourth proportional to 1,432,464,418.91, 1,976,780,650.05 and 805,931,352.18 is: 1,112,173,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,464,418.91 : 1,976,780,650.05 = 805,931,352.18 : x
  2. Step 2: Convert to fraction form
    1,432,464,418.91/1,976,780,650.05 = 805,931,352.18/x
  3. Step 3: Cross multiply
    1,432,464,418.91x = 1,976,780,650.05 × 805,931,352.18
  4. Step 4: Simplify right side
    1,432,464,418.91x = 1,593,149,502,258,055,680
  5. Step 5: Solve for x
    x = 1,593,149,502,258,055,680/1,432,464,418.91
  6. Step 6: Final answer
    x = 1,112,173,874.08

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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.