Home / 511,211,712.40-766,817,568.60-448,076,521.60

Finding the Fourth Proportional to 511,211,712.40, 766,817,568.60 and 448,076,521.60

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Solution

The fourth proportional to 511,211,712.40, 766,817,568.60 and 448,076,521.60 is: 672,114,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,211,712.40 : 766,817,568.60 = 448,076,521.60 : x
  2. Step 2: Convert to fraction form
    511,211,712.40/766,817,568.60 = 448,076,521.60/x
  3. Step 3: Cross multiply
    511,211,712.40x = 766,817,568.60 × 448,076,521.60
  4. Step 4: Simplify right side
    511,211,712.40x = 343,592,948,840,057,408
  5. Step 5: Solve for x
    x = 343,592,948,840,057,408/511,211,712.40
  6. Step 6: Final answer
    x = 672,114,782.40

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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.