Home / 1,114,507,027,141.70-1,537,995,590,988-645,237,392,418.90

Finding the Fourth Proportional to 1,114,507,027,141.70, 1,537,995,590,988 and 645,237,392,418.90

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Solution

The fourth proportional to 1,114,507,027,141.70, 1,537,995,590,988 and 645,237,392,418.90 is: 890,413,645,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,507,027,141.70 : 1,537,995,590,988 = 645,237,392,418.90 : x
  2. Step 2: Convert to fraction form
    1,114,507,027,141.70/1,537,995,590,988 = 645,237,392,418.90/x
  3. Step 3: Cross multiply
    1,114,507,027,141.70x = 1,537,995,590,988 × 645,237,392,418.90
  4. Step 4: Simplify right side
    1,114,507,027,141.70x = 992,372,264,680,862,274,027,520
  5. Step 5: Solve for x
    x = 992,372,264,680,862,274,027,520/1,114,507,027,141.70
  6. Step 6: Final answer
    x = 890,413,645,238.23

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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.