Home / 13,359,662,130.32-18,435,828,654.60-7,419,597,269.84

Finding the Fourth Proportional to 13,359,662,130.32, 18,435,828,654.60 and 7,419,597,269.84

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Solution

The fourth proportional to 13,359,662,130.32, 18,435,828,654.60 and 7,419,597,269.84 is: 10,238,763,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,662,130.32 : 18,435,828,654.60 = 7,419,597,269.84 : x
  2. Step 2: Convert to fraction form
    13,359,662,130.32/18,435,828,654.60 = 7,419,597,269.84/x
  3. Step 3: Cross multiply
    13,359,662,130.32x = 18,435,828,654.60 × 7,419,597,269.84
  4. Step 4: Simplify right side
    13,359,662,130.32x = 136,786,423,952,908,189,696
  5. Step 5: Solve for x
    x = 136,786,423,952,908,189,696/13,359,662,130.32
  6. Step 6: Final answer
    x = 10,238,763,721.61

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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.