Home / 506,132,043,117.12-698,416,054,123.68-300,330,818,301.60

Finding the Fourth Proportional to 506,132,043,117.12, 698,416,054,123.68 and 300,330,818,301.60

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Solution

The fourth proportional to 506,132,043,117.12, 698,416,054,123.68 and 300,330,818,301.60 is: 414,429,135,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,132,043,117.12 : 698,416,054,123.68 = 300,330,818,301.60 : x
  2. Step 2: Convert to fraction form
    506,132,043,117.12/698,416,054,123.68 = 300,330,818,301.60/x
  3. Step 3: Cross multiply
    506,132,043,117.12x = 698,416,054,123.68 × 300,330,818,301.60
  4. Step 4: Simplify right side
    506,132,043,117.12x = 209,755,865,049,939,375,554,560
  5. Step 5: Solve for x
    x = 209,755,865,049,939,375,554,560/506,132,043,117.12
  6. Step 6: Final answer
    x = 414,429,135,444.80

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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.