Home / 1,242,457,361,241.50-1,862,038,514,925.90-638,058,150,416.50

Finding the Fourth Proportional to 1,242,457,361,241.50, 1,862,038,514,925.90 and 638,058,150,416.50

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Solution

The fourth proportional to 1,242,457,361,241.50, 1,862,038,514,925.90 and 638,058,150,416.50 is: 956,241,145,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,457,361,241.50 : 1,862,038,514,925.90 = 638,058,150,416.50 : x
  2. Step 2: Convert to fraction form
    1,242,457,361,241.50/1,862,038,514,925.90 = 638,058,150,416.50/x
  3. Step 3: Cross multiply
    1,242,457,361,241.50x = 1,862,038,514,925.90 × 638,058,150,416.50
  4. Step 4: Simplify right side
    1,242,457,361,241.50x = 1,188,088,850,837,906,177,130,496
  5. Step 5: Solve for x
    x = 1,188,088,850,837,906,177,130,496/1,242,457,361,241.50
  6. Step 6: Final answer
    x = 956,241,145,893.92

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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.