Home / 20,646,566,984,686-28,492,117,495,116-11,271,364,514,124

Finding the Fourth Proportional to 20,646,566,984,686, 28,492,117,495,116 and 11,271,364,514,124

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Solution

The fourth proportional to 20,646,566,984,686, 28,492,117,495,116 and 11,271,364,514,124 is: 15,554,403,901,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646,566,984,686 : 28,492,117,495,116 = 11,271,364,514,124 : x
  2. Step 2: Convert to fraction form
    20,646,566,984,686/28,492,117,495,116 = 11,271,364,514,124/x
  3. Step 3: Cross multiply
    20,646,566,984,686x = 28,492,117,495,116 × 11,271,364,514,124
  4. Step 4: Simplify right side
    20,646,566,984,686x = 321,145,042,066,702,064,292,986,880
  5. Step 5: Solve for x
    x = 321,145,042,066,702,064,292,986,880/20,646,566,984,686
  6. Step 6: Final answer
    x = 15,554,403,901,864.28

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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.