Home / 389,616,307.20-584,424,460.80-241,663,132.80

Finding the Fourth Proportional to 389,616,307.20, 584,424,460.80 and 241,663,132.80

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Solution

The fourth proportional to 389,616,307.20, 584,424,460.80 and 241,663,132.80 is: 362,494,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,616,307.20 : 584,424,460.80 = 241,663,132.80 : x
  2. Step 2: Convert to fraction form
    389,616,307.20/584,424,460.80 = 241,663,132.80/x
  3. Step 3: Cross multiply
    389,616,307.20x = 584,424,460.80 × 241,663,132.80
  4. Step 4: Simplify right side
    389,616,307.20x = 141,233,846,081,878,784
  5. Step 5: Solve for x
    x = 141,233,846,081,878,784/389,616,307.20
  6. Step 6: Final answer
    x = 362,494,699.20

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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.