Home / 1,242,457,361,244-1,862,038,514,929.70-638,058,150,419

Finding the Fourth Proportional to 1,242,457,361,244, 1,862,038,514,929.70 and 638,058,150,419

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Solution

The fourth proportional to 1,242,457,361,244, 1,862,038,514,929.70 and 638,058,150,419 is: 956,241,145,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,457,361,244 : 1,862,038,514,929.70 = 638,058,150,419 : x
  2. Step 2: Convert to fraction form
    1,242,457,361,244/1,862,038,514,929.70 = 638,058,150,419/x
  3. Step 3: Cross multiply
    1,242,457,361,244x = 1,862,038,514,929.70 × 638,058,150,419
  4. Step 4: Simplify right side
    1,242,457,361,244x = 1,188,088,850,844,985,893,847,040
  5. Step 5: Solve for x
    x = 1,188,088,850,844,985,893,847,040/1,242,457,361,244
  6. Step 6: Final answer
    x = 956,241,145,897.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.