Home / 20,760,033,349,413-28,646,212,867,445-11,382,363,164,840

Finding the Fourth Proportional to 20,760,033,349,413, 28,646,212,867,445 and 11,382,363,164,840

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Solution

The fourth proportional to 20,760,033,349,413, 28,646,212,867,445 and 11,382,363,164,840 is: 15,706,217,454,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,033,349,413 : 28,646,212,867,445 = 11,382,363,164,840 : x
  2. Step 2: Convert to fraction form
    20,760,033,349,413/28,646,212,867,445 = 11,382,363,164,840/x
  3. Step 3: Cross multiply
    20,760,033,349,413x = 28,646,212,867,445 × 11,382,363,164,840
  4. Step 4: Simplify right side
    20,760,033,349,413x = 326,061,598,154,571,569,061,429,248
  5. Step 5: Solve for x
    x = 326,061,598,154,571,569,061,429,248/20,760,033,349,413
  6. Step 6: Final answer
    x = 15,706,217,454,789.93

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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.