Home / 389,376,031.80-584,064,047.70-236,195,052.60

Finding the Fourth Proportional to 389,376,031.80, 584,064,047.70 and 236,195,052.60

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Solution

The fourth proportional to 389,376,031.80, 584,064,047.70 and 236,195,052.60 is: 354,292,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,376,031.80 : 584,064,047.70 = 236,195,052.60 : x
  2. Step 2: Convert to fraction form
    389,376,031.80/584,064,047.70 = 236,195,052.60/x
  3. Step 3: Cross multiply
    389,376,031.80x = 584,064,047.70 × 236,195,052.60
  4. Step 4: Simplify right side
    389,376,031.80x = 137,953,038,468,270,416
  5. Step 5: Solve for x
    x = 137,953,038,468,270,416/389,376,031.80
  6. Step 6: Final answer
    x = 354,292,578.90

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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.