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Finding the Fourth Proportional to 1,652,978,961.42, 2,281,111,008.36 and 910,423,024.18

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Solution

The fourth proportional to 1,652,978,961.42, 2,281,111,008.36 and 910,423,024.18 is: 1,256,383,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,978,961.42 : 2,281,111,008.36 = 910,423,024.18 : x
  2. Step 2: Convert to fraction form
    1,652,978,961.42/2,281,111,008.36 = 910,423,024.18/x
  3. Step 3: Cross multiply
    1,652,978,961.42x = 2,281,111,008.36 × 910,423,024.18
  4. Step 4: Simplify right side
    1,652,978,961.42x = 2,076,775,982,721,400,576
  5. Step 5: Solve for x
    x = 2,076,775,982,721,400,576/1,652,978,961.42
  6. Step 6: Final answer
    x = 1,256,383,796.28

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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.