Home / 1,918,786,031.40-2,647,933,173.90-1,038,719,735.40

Finding the Fourth Proportional to 1,918,786,031.40, 2,647,933,173.90 and 1,038,719,735.40

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Solution

The fourth proportional to 1,918,786,031.40, 2,647,933,173.90 and 1,038,719,735.40 is: 1,433,437,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,786,031.40 : 2,647,933,173.90 = 1,038,719,735.40 : x
  2. Step 2: Convert to fraction form
    1,918,786,031.40/2,647,933,173.90 = 1,038,719,735.40/x
  3. Step 3: Cross multiply
    1,918,786,031.40x = 2,647,933,173.90 × 1,038,719,735.40
  4. Step 4: Simplify right side
    1,918,786,031.40x = 2,750,460,445,750,290,432
  5. Step 5: Solve for x
    x = 2,750,460,445,750,290,432/1,918,786,031.40
  6. Step 6: Final answer
    x = 1,433,437,809.50

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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.