Home / 560,255,446.17-840,496,548.60-196,778,145.69

Finding the Fourth Proportional to 560,255,446.17, 840,496,548.60 and 196,778,145.69

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Solution

The fourth proportional to 560,255,446.17, 840,496,548.60 and 196,778,145.69 is: 295,207,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,255,446.17 : 840,496,548.60 = 196,778,145.69 : x
  2. Step 2: Convert to fraction form
    560,255,446.17/840,496,548.60 = 196,778,145.69/x
  3. Step 3: Cross multiply
    560,255,446.17x = 840,496,548.60 × 196,778,145.69
  4. Step 4: Simplify right side
    560,255,446.17x = 165,391,352,292,352,960
  5. Step 5: Solve for x
    x = 165,391,352,292,352,960/560,255,446.17
  6. Step 6: Final answer
    x = 295,207,040.69

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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.