Home / 8,739,665,618.81-13,103,861,978.91-3,428,314,444.59

Finding the Fourth Proportional to 8,739,665,618.81, 13,103,861,978.91 and 3,428,314,444.59

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Solution

The fourth proportional to 8,739,665,618.81, 13,103,861,978.91 and 3,428,314,444.59 is: 5,140,260,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739,665,618.81 : 13,103,861,978.91 = 3,428,314,444.59 : x
  2. Step 2: Convert to fraction form
    8,739,665,618.81/13,103,861,978.91 = 3,428,314,444.59/x
  3. Step 3: Cross multiply
    8,739,665,618.81x = 13,103,861,978.91 × 3,428,314,444.59
  4. Step 4: Simplify right side
    8,739,665,618.81x = 44,924,159,302,173,466,624
  5. Step 5: Solve for x
    x = 44,924,159,302,173,466,624/8,739,665,618.81
  6. Step 6: Final answer
    x = 5,140,260,653.17

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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.