Home / 347,463,492.20-520,852,403.10-194,182,980.20

Finding the Fourth Proportional to 347,463,492.20, 520,852,403.10 and 194,182,980.20

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Solution

The fourth proportional to 347,463,492.20, 520,852,403.10 and 194,182,980.20 is: 291,082,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,463,492.20 : 520,852,403.10 = 194,182,980.20 : x
  2. Step 2: Convert to fraction form
    347,463,492.20/520,852,403.10 = 194,182,980.20/x
  3. Step 3: Cross multiply
    347,463,492.20x = 520,852,403.10 × 194,182,980.20
  4. Step 4: Simplify right side
    347,463,492.20x = 101,140,671,878,289,712
  5. Step 5: Solve for x
    x = 101,140,671,878,289,712/347,463,492.20
  6. Step 6: Final answer
    x = 291,082,873.88

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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.