Home / 459,952,185,179.20-689,928,277,768.80-281,165,795,982.40

Finding the Fourth Proportional to 459,952,185,179.20, 689,928,277,768.80 and 281,165,795,982.40

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Solution

The fourth proportional to 459,952,185,179.20, 689,928,277,768.80 and 281,165,795,982.40 is: 421,748,693,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,952,185,179.20 : 689,928,277,768.80 = 281,165,795,982.40 : x
  2. Step 2: Convert to fraction form
    459,952,185,179.20/689,928,277,768.80 = 281,165,795,982.40/x
  3. Step 3: Cross multiply
    459,952,185,179.20x = 689,928,277,768.80 × 281,165,795,982.40
  4. Step 4: Simplify right side
    459,952,185,179.20x = 193,984,233,389,631,050,088,448
  5. Step 5: Solve for x
    x = 193,984,233,389,631,050,088,448/459,952,185,179.20
  6. Step 6: Final answer
    x = 421,748,693,973.60

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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.