Home / 2,125,773,082.40-3,188,659,623.60-1,931,903,405.60

Finding the Fourth Proportional to 2,125,773,082.40, 3,188,659,623.60 and 1,931,903,405.60

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Solution

The fourth proportional to 2,125,773,082.40, 3,188,659,623.60 and 1,931,903,405.60 is: 2,897,855,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,773,082.40 : 3,188,659,623.60 = 1,931,903,405.60 : x
  2. Step 2: Convert to fraction form
    2,125,773,082.40/3,188,659,623.60 = 1,931,903,405.60/x
  3. Step 3: Cross multiply
    2,125,773,082.40x = 3,188,659,623.60 × 1,931,903,405.60
  4. Step 4: Simplify right side
    2,125,773,082.40x = 6,160,182,386,132,054,016
  5. Step 5: Solve for x
    x = 6,160,182,386,132,054,016/2,125,773,082.40
  6. Step 6: Final answer
    x = 2,897,855,108.40

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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.