Home / 369,606,512.80-554,409,769.20-352,600,400.80

Finding the Fourth Proportional to 369,606,512.80, 554,409,769.20 and 352,600,400.80

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Solution

The fourth proportional to 369,606,512.80, 554,409,769.20 and 352,600,400.80 is: 528,900,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,606,512.80 : 554,409,769.20 = 352,600,400.80 : x
  2. Step 2: Convert to fraction form
    369,606,512.80/554,409,769.20 = 352,600,400.80/x
  3. Step 3: Cross multiply
    369,606,512.80x = 554,409,769.20 × 352,600,400.80
  4. Step 4: Simplify right side
    369,606,512.80x = 195,485,106,827,355,520
  5. Step 5: Solve for x
    x = 195,485,106,827,355,520/369,606,512.80
  6. Step 6: Final answer
    x = 528,900,601.20

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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.