Home / 651,255,557,437.40-976,847,983,918.73-197,939,117,957.22

Finding the Fourth Proportional to 651,255,557,437.40, 976,847,983,918.73 and 197,939,117,957.22

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Solution

The fourth proportional to 651,255,557,437.40, 976,847,983,918.73 and 197,939,117,957.22 is: 296,897,932,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,255,557,437.40 : 976,847,983,918.73 = 197,939,117,957.22 : x
  2. Step 2: Convert to fraction form
    651,255,557,437.40/976,847,983,918.73 = 197,939,117,957.22/x
  3. Step 3: Cross multiply
    651,255,557,437.40x = 976,847,983,918.73 × 197,939,117,957.22
  4. Step 4: Simplify right side
    651,255,557,437.40x = 193,356,428,315,162,056,851,456
  5. Step 5: Solve for x
    x = 193,356,428,315,162,056,851,456/651,255,557,437.40
  6. Step 6: Final answer
    x = 296,897,932,166.59

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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.