Home / 439,684,848.82-659,548,483.56-144,573,434.86

Finding the Fourth Proportional to 439,684,848.82, 659,548,483.56 and 144,573,434.86

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Solution

The fourth proportional to 439,684,848.82, 659,548,483.56 and 144,573,434.86 is: 216,867,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,684,848.82 : 659,548,483.56 = 144,573,434.86 : x
  2. Step 2: Convert to fraction form
    439,684,848.82/659,548,483.56 = 144,573,434.86/x
  3. Step 3: Cross multiply
    439,684,848.82x = 659,548,483.56 × 144,573,434.86
  4. Step 4: Simplify right side
    439,684,848.82x = 95,353,189,724,973,440
  5. Step 5: Solve for x
    x = 95,353,189,724,973,440/439,684,848.82
  6. Step 6: Final answer
    x = 216,867,126.49

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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.