Home / 1,242,457,361,242.50-1,862,038,514,927.40-638,058,150,417.50

Finding the Fourth Proportional to 1,242,457,361,242.50, 1,862,038,514,927.40 and 638,058,150,417.50

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Solution

The fourth proportional to 1,242,457,361,242.50, 1,862,038,514,927.40 and 638,058,150,417.50 is: 956,241,145,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,457,361,242.50 : 1,862,038,514,927.40 = 638,058,150,417.50 : x
  2. Step 2: Convert to fraction form
    1,242,457,361,242.50/1,862,038,514,927.40 = 638,058,150,417.50/x
  3. Step 3: Cross multiply
    1,242,457,361,242.50x = 1,862,038,514,927.40 × 638,058,150,417.50
  4. Step 4: Simplify right side
    1,242,457,361,242.50x = 1,188,088,850,840,725,286,289,408
  5. Step 5: Solve for x
    x = 1,188,088,850,840,725,286,289,408/1,242,457,361,242.50
  6. Step 6: Final answer
    x = 956,241,145,895.42

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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.