Home / 284,659,852.80-426,989,779.20-262,488,921.60

Finding the Fourth Proportional to 284,659,852.80, 426,989,779.20 and 262,488,921.60

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Solution

The fourth proportional to 284,659,852.80, 426,989,779.20 and 262,488,921.60 is: 393,733,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,659,852.80 : 426,989,779.20 = 262,488,921.60 : x
  2. Step 2: Convert to fraction form
    284,659,852.80/426,989,779.20 = 262,488,921.60/x
  3. Step 3: Cross multiply
    284,659,852.80x = 426,989,779.20 × 262,488,921.60
  4. Step 4: Simplify right side
    284,659,852.80x = 112,080,086,676,430,112
  5. Step 5: Solve for x
    x = 112,080,086,676,430,112/284,659,852.80
  6. Step 6: Final answer
    x = 393,733,382.40

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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.