Home / 572,590,857.54-790,185,830.86-318,296,092.98

Finding the Fourth Proportional to 572,590,857.54, 790,185,830.86 and 318,296,092.98

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Solution

The fourth proportional to 572,590,857.54, 790,185,830.86 and 318,296,092.98 is: 439,254,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,590,857.54 : 790,185,830.86 = 318,296,092.98 : x
  2. Step 2: Convert to fraction form
    572,590,857.54/790,185,830.86 = 318,296,092.98/x
  3. Step 3: Cross multiply
    572,590,857.54x = 790,185,830.86 × 318,296,092.98
  4. Step 4: Simplify right side
    572,590,857.54x = 251,513,062,690,893,120
  5. Step 5: Solve for x
    x = 251,513,062,690,893,120/572,590,857.54
  6. Step 6: Final answer
    x = 439,254,415.92

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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.