Home / 385,031,065.40-577,621,247.70-193,554,841.40

Finding the Fourth Proportional to 385,031,065.40, 577,621,247.70 and 193,554,841.40

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Solution

The fourth proportional to 385,031,065.40, 577,621,247.70 and 193,554,841.40 is: 290,369,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,031,065.40 : 577,621,247.70 = 193,554,841.40 : x
  2. Step 2: Convert to fraction form
    385,031,065.40/577,621,247.70 = 193,554,841.40/x
  3. Step 3: Cross multiply
    385,031,065.40x = 577,621,247.70 × 193,554,841.40
  4. Step 4: Simplify right side
    385,031,065.40x = 111,801,388,987,843,632
  5. Step 5: Solve for x
    x = 111,801,388,987,843,632/385,031,065.40
  6. Step 6: Final answer
    x = 290,369,788.40

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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.