Home / 475,253,698,443.40-713,173,769,068.72-220,235,548,177.28

Finding the Fourth Proportional to 475,253,698,443.40, 713,173,769,068.72 and 220,235,548,177.28

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Solution

The fourth proportional to 475,253,698,443.40, 713,173,769,068.72 and 220,235,548,177.28 is: 330,489,202,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,253,698,443.40 : 713,173,769,068.72 = 220,235,548,177.28 : x
  2. Step 2: Convert to fraction form
    475,253,698,443.40/713,173,769,068.72 = 220,235,548,177.28/x
  3. Step 3: Cross multiply
    475,253,698,443.40x = 713,173,769,068.72 × 220,235,548,177.28
  4. Step 4: Simplify right side
    475,253,698,443.40x = 157,066,215,976,506,438,451,200
  5. Step 5: Solve for x
    x = 157,066,215,976,506,438,451,200/475,253,698,443.40
  6. Step 6: Final answer
    x = 330,489,202,905.62

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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.