Home / 21,483,574,733.01-29,432,602,400.30-20,678,375,257.11

Finding the Fourth Proportional to 21,483,574,733.01, 29,432,602,400.30 and 20,678,375,257.11

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Solution

The fourth proportional to 21,483,574,733.01, 29,432,602,400.30 and 20,678,375,257.11 is: 28,329,475,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483,574,733.01 : 29,432,602,400.30 = 20,678,375,257.11 : x
  2. Step 2: Convert to fraction form
    21,483,574,733.01/29,432,602,400.30 = 20,678,375,257.11/x
  3. Step 3: Cross multiply
    21,483,574,733.01x = 29,432,602,400.30 × 20,678,375,257.11
  4. Step 4: Simplify right side
    21,483,574,733.01x = 608,618,397,226,616,487,936
  5. Step 5: Solve for x
    x = 608,618,397,226,616,487,936/21,483,574,733.01
  6. Step 6: Final answer
    x = 28,329,475,182.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.