Home / 21,030,592,865.55-29,022,111,708.80-11,514,971,728.59

Finding the Fourth Proportional to 21,030,592,865.55, 29,022,111,708.80 and 11,514,971,728.59

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Solution

The fourth proportional to 21,030,592,865.55, 29,022,111,708.80 and 11,514,971,728.59 is: 15,890,602,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,592,865.55 : 29,022,111,708.80 = 11,514,971,728.59 : x
  2. Step 2: Convert to fraction form
    21,030,592,865.55/29,022,111,708.80 = 11,514,971,728.59/x
  3. Step 3: Cross multiply
    21,030,592,865.55x = 29,022,111,708.80 × 11,514,971,728.59
  4. Step 4: Simplify right side
    21,030,592,865.55x = 334,188,795,830,755,196,928
  5. Step 5: Solve for x
    x = 334,188,795,830,755,196,928/21,030,592,865.55
  6. Step 6: Final answer
    x = 15,890,602,702.80

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1.5x scale

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.