Home / 525,252,555.20-787,878,832.80-161,858,302.40

Finding the Fourth Proportional to 525,252,555.20, 787,878,832.80 and 161,858,302.40

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Solution

The fourth proportional to 525,252,555.20, 787,878,832.80 and 161,858,302.40 is: 242,787,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,252,555.20 : 787,878,832.80 = 161,858,302.40 : x
  2. Step 2: Convert to fraction form
    525,252,555.20/787,878,832.80 = 161,858,302.40/x
  3. Step 3: Cross multiply
    525,252,555.20x = 787,878,832.80 × 161,858,302.40
  4. Step 4: Simplify right side
    525,252,555.20x = 127,524,730,373,901,440
  5. Step 5: Solve for x
    x = 127,524,730,373,901,440/525,252,555.20
  6. Step 6: Final answer
    x = 242,787,453.60

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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.