Home / 355,104,101.20-532,656,151.80-257,602,392.40

Finding the Fourth Proportional to 355,104,101.20, 532,656,151.80 and 257,602,392.40

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Solution

The fourth proportional to 355,104,101.20, 532,656,151.80 and 257,602,392.40 is: 386,403,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,104,101.20 : 532,656,151.80 = 257,602,392.40 : x
  2. Step 2: Convert to fraction form
    355,104,101.20/532,656,151.80 = 257,602,392.40/x
  3. Step 3: Cross multiply
    355,104,101.20x = 532,656,151.80 × 257,602,392.40
  4. Step 4: Simplify right side
    355,104,101.20x = 137,213,499,030,257,568
  5. Step 5: Solve for x
    x = 137,213,499,030,257,568/355,104,101.20
  6. Step 6: Final answer
    x = 386,403,588.60

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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.