Home / 560,548,531.89-840,819,739.28-228,554,239.12

Finding the Fourth Proportional to 560,548,531.89, 840,819,739.28 and 228,554,239.12

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Solution

The fourth proportional to 560,548,531.89, 840,819,739.28 and 228,554,239.12 is: 342,830,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,548,531.89 : 840,819,739.28 = 228,554,239.12 : x
  2. Step 2: Convert to fraction form
    560,548,531.89/840,819,739.28 = 228,554,239.12/x
  3. Step 3: Cross multiply
    560,548,531.89x = 840,819,739.28 × 228,554,239.12
  4. Step 4: Simplify right side
    560,548,531.89x = 192,172,915,744,972,352
  5. Step 5: Solve for x
    x = 192,172,915,744,972,352/560,548,531.89
  6. Step 6: Final answer
    x = 342,830,111.60

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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.