Home / 3,360,247,849.30-5,038,860,119.55-1,289,281,321.30

Finding the Fourth Proportional to 3,360,247,849.30, 5,038,860,119.55 and 1,289,281,321.30

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Solution

The fourth proportional to 3,360,247,849.30, 5,038,860,119.55 and 1,289,281,321.30 is: 1,933,341,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,247,849.30 : 5,038,860,119.55 = 1,289,281,321.30 : x
  2. Step 2: Convert to fraction form
    3,360,247,849.30/5,038,860,119.55 = 1,289,281,321.30/x
  3. Step 3: Cross multiply
    3,360,247,849.30x = 5,038,860,119.55 × 1,289,281,321.30
  4. Step 4: Simplify right side
    3,360,247,849.30x = 6,496,508,232,779,299,840
  5. Step 5: Solve for x
    x = 6,496,508,232,779,299,840/3,360,247,849.30
  6. Step 6: Final answer
    x = 1,933,341,980.75

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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.