Home / 318,260,493,818.90-439,197,247,211.54-173,744,623,507.37

Finding the Fourth Proportional to 318,260,493,818.90, 439,197,247,211.54 and 173,744,623,507.37

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Solution

The fourth proportional to 318,260,493,818.90, 439,197,247,211.54 and 173,744,623,507.37 is: 239,766,360,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,260,493,818.90 : 439,197,247,211.54 = 173,744,623,507.37 : x
  2. Step 2: Convert to fraction form
    318,260,493,818.90/439,197,247,211.54 = 173,744,623,507.37/x
  3. Step 3: Cross multiply
    318,260,493,818.90x = 439,197,247,211.54 × 173,744,623,507.37
  4. Step 4: Simplify right side
    318,260,493,818.90x = 76,308,160,362,242,325,348,352
  5. Step 5: Solve for x
    x = 76,308,160,362,242,325,348,352/318,260,493,818.90
  6. Step 6: Final answer
    x = 239,766,360,714.77

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1.5x scale

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.