Home / 39,292,172,643,686-54,219,559,403,442-21,733,116,481,485

Finding the Fourth Proportional to 39,292,172,643,686, 54,219,559,403,442 and 21,733,116,481,485

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Solution

The fourth proportional to 39,292,172,643,686, 54,219,559,403,442 and 21,733,116,481,485 is: 29,989,688,042,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292,172,643,686 : 54,219,559,403,442 = 21,733,116,481,485 : x
  2. Step 2: Convert to fraction form
    39,292,172,643,686/54,219,559,403,442 = 21,733,116,481,485/x
  3. Step 3: Cross multiply
    39,292,172,643,686x = 54,219,559,403,442 × 21,733,116,481,485
  4. Step 4: Simplify right side
    39,292,172,643,686x = 1,178,360,000,089,800,310,448,455,680
  5. Step 5: Solve for x
    x = 1,178,360,000,089,800,310,448,455,680/39,292,172,643,686
  6. Step 6: Final answer
    x = 29,989,688,042,337.24

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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.