Home / 263,264,877.60-394,897,316.40-127,215,981.60

Finding the Fourth Proportional to 263,264,877.60, 394,897,316.40 and 127,215,981.60

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Solution

The fourth proportional to 263,264,877.60, 394,897,316.40 and 127,215,981.60 is: 190,823,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,264,877.60 : 394,897,316.40 = 127,215,981.60 : x
  2. Step 2: Convert to fraction form
    263,264,877.60/394,897,316.40 = 127,215,981.60/x
  3. Step 3: Cross multiply
    263,264,877.60x = 394,897,316.40 × 127,215,981.60
  4. Step 4: Simplify right side
    263,264,877.60x = 50,237,249,737,031,776
  5. Step 5: Solve for x
    x = 50,237,249,737,031,776/263,264,877.60
  6. Step 6: Final answer
    x = 190,823,972.40

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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.