Home / 320,975,412,405.53-442,946,354,061.24-176,462,000,813.05

Finding the Fourth Proportional to 320,975,412,405.53, 442,946,354,061.24 and 176,462,000,813.05

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Solution

The fourth proportional to 320,975,412,405.53, 442,946,354,061.24 and 176,462,000,813.05 is: 243,517,717,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,975,412,405.53 : 442,946,354,061.24 = 176,462,000,813.05 : x
  2. Step 2: Convert to fraction form
    320,975,412,405.53/442,946,354,061.24 = 176,462,000,813.05/x
  3. Step 3: Cross multiply
    320,975,412,405.53x = 442,946,354,061.24 × 176,462,000,813.05
  4. Step 4: Simplify right side
    320,975,412,405.53x = 78,163,199,890,492,066,103,296
  5. Step 5: Solve for x
    x = 78,163,199,890,492,066,103,296/320,975,412,405.53
  6. Step 6: Final answer
    x = 243,517,717,773.78

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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.