Home / 384,915,686.40-576,239,788.80-362,492,812.80

Finding the Fourth Proportional to 384,915,686.40, 576,239,788.80 and 362,492,812.80

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Solution

The fourth proportional to 384,915,686.40, 576,239,788.80 and 362,492,812.80 is: 542,671,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,915,686.40 : 576,239,788.80 = 362,492,812.80 : x
  2. Step 2: Convert to fraction form
    384,915,686.40/576,239,788.80 = 362,492,812.80/x
  3. Step 3: Cross multiply
    384,915,686.40x = 576,239,788.80 × 362,492,812.80
  4. Step 4: Simplify right side
    384,915,686.40x = 208,882,781,889,389,920
  5. Step 5: Solve for x
    x = 208,882,781,889,389,920/384,915,686.40
  6. Step 6: Final answer
    x = 542,671,523.32

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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.