Home / 385,031,056.40-577,621,234.20-193,554,832.40

Finding the Fourth Proportional to 385,031,056.40, 577,621,234.20 and 193,554,832.40

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Solution

The fourth proportional to 385,031,056.40, 577,621,234.20 and 193,554,832.40 is: 290,369,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,031,056.40 : 577,621,234.20 = 193,554,832.40 : x
  2. Step 2: Convert to fraction form
    385,031,056.40/577,621,234.20 = 193,554,832.40/x
  3. Step 3: Cross multiply
    385,031,056.40x = 577,621,234.20 × 193,554,832.40
  4. Step 4: Simplify right side
    385,031,056.40x = 111,801,381,176,262,160
  5. Step 5: Solve for x
    x = 111,801,381,176,262,160/385,031,056.40
  6. Step 6: Final answer
    x = 290,369,774.90

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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.