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Finding the Fourth Proportional to 219,189,901,501.70, 328,784,852,252.55 and 219,189,901,501.70

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Solution

The fourth proportional to 219,189,901,501.70, 328,784,852,252.55 and 219,189,901,501.70 is: 328,784,852,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,189,901,501.70 : 328,784,852,252.55 = 219,189,901,501.70 : x
  2. Step 2: Convert to fraction form
    219,189,901,501.70/328,784,852,252.55 = 219,189,901,501.70/x
  3. Step 3: Cross multiply
    219,189,901,501.70x = 328,784,852,252.55 × 219,189,901,501.70
  4. Step 4: Simplify right side
    219,189,901,501.70x = 72,066,319,380,487,426,015,232
  5. Step 5: Solve for x
    x = 72,066,319,380,487,426,015,232/219,189,901,501.70
  6. Step 6: Final answer
    x = 328,784,852,252.55

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1.5x scale

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.