Home / 354,710,675.04-489,496,107.60-198,080,534.40

Finding the Fourth Proportional to 354,710,675.04, 489,496,107.60 and 198,080,534.40

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Solution

The fourth proportional to 354,710,675.04, 489,496,107.60 and 198,080,534.40 is: 273,348,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,710,675.04 : 489,496,107.60 = 198,080,534.40 : x
  2. Step 2: Convert to fraction form
    354,710,675.04/489,496,107.60 = 198,080,534.40/x
  3. Step 3: Cross multiply
    354,710,675.04x = 489,496,107.60 × 198,080,534.40
  4. Step 4: Simplify right side
    354,710,675.04x = 96,959,650,580,127,904
  5. Step 5: Solve for x
    x = 96,959,650,580,127,904/354,710,675.04
  6. Step 6: Final answer
    x = 273,348,555.32

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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.