Home / 523,437,368.67-722,334,197.48-285,284,698.11

Finding the Fourth Proportional to 523,437,368.67, 722,334,197.48 and 285,284,698.11

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Solution

The fourth proportional to 523,437,368.67, 722,334,197.48 and 285,284,698.11 is: 393,687,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,437,368.67 : 722,334,197.48 = 285,284,698.11 : x
  2. Step 2: Convert to fraction form
    523,437,368.67/722,334,197.48 = 285,284,698.11/x
  3. Step 3: Cross multiply
    523,437,368.67x = 722,334,197.48 × 285,284,698.11
  4. Step 4: Simplify right side
    523,437,368.67x = 206,070,893,461,184,512
  5. Step 5: Solve for x
    x = 206,070,893,461,184,512/523,437,368.67
  6. Step 6: Final answer
    x = 393,687,775.84

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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.