Home / 563,612,740.21-775,027,480.33-489,144,014.90

Finding the Fourth Proportional to 563,612,740.21, 775,027,480.33 and 489,144,014.90

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Solution

The fourth proportional to 563,612,740.21, 775,027,480.33 and 489,144,014.90 is: 672,625,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,612,740.21 : 775,027,480.33 = 489,144,014.90 : x
  2. Step 2: Convert to fraction form
    563,612,740.21/775,027,480.33 = 489,144,014.90/x
  3. Step 3: Cross multiply
    563,612,740.21x = 775,027,480.33 × 489,144,014.90
  4. Step 4: Simplify right side
    563,612,740.21x = 379,100,053,386,089,600
  5. Step 5: Solve for x
    x = 379,100,053,386,089,600/563,612,740.21
  6. Step 6: Final answer
    x = 672,625,060.33

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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.