Home / 523,523,504.96-722,494,760.64-288,573,636.32

Finding the Fourth Proportional to 523,523,504.96, 722,494,760.64 and 288,573,636.32

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Solution

The fourth proportional to 523,523,504.96, 722,494,760.64 and 288,573,636.32 is: 398,249,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,523,504.96 : 722,494,760.64 = 288,573,636.32 : x
  2. Step 2: Convert to fraction form
    523,523,504.96/722,494,760.64 = 288,573,636.32/x
  3. Step 3: Cross multiply
    523,523,504.96x = 722,494,760.64 × 288,573,636.32
  4. Step 4: Simplify right side
    523,523,504.96x = 208,492,940,300,032,800
  5. Step 5: Solve for x
    x = 208,492,940,300,032,800/523,523,504.96
  6. Step 6: Final answer
    x = 398,249,435.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.