Home / 2,021,838,459.20-3,033,051,621.60-857,304,699.20

Finding the Fourth Proportional to 2,021,838,459.20, 3,033,051,621.60 and 857,304,699.20

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Solution

The fourth proportional to 2,021,838,459.20, 3,033,051,621.60 and 857,304,699.20 is: 1,286,081,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,838,459.20 : 3,033,051,621.60 = 857,304,699.20 : x
  2. Step 2: Convert to fraction form
    2,021,838,459.20/3,033,051,621.60 = 857,304,699.20/x
  3. Step 3: Cross multiply
    2,021,838,459.20x = 3,033,051,621.60 × 857,304,699.20
  4. Step 4: Simplify right side
    2,021,838,459.20x = 2,600,249,408,113,860,096
  5. Step 5: Solve for x
    x = 2,600,249,408,113,860,096/2,021,838,459.20
  6. Step 6: Final answer
    x = 1,286,081,682.88

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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.