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Finding the Fourth Proportional to 1,308,440,957.06, 1,962,678,530.97 and 435,042,325.37

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Solution

The fourth proportional to 1,308,440,957.06, 1,962,678,530.97 and 435,042,325.37 is: 652,569,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,440,957.06 : 1,962,678,530.97 = 435,042,325.37 : x
  2. Step 2: Convert to fraction form
    1,308,440,957.06/1,962,678,530.97 = 435,042,325.37/x
  3. Step 3: Cross multiply
    1,308,440,957.06x = 1,962,678,530.97 × 435,042,325.37
  4. Step 4: Simplify right side
    1,308,440,957.06x = 853,848,232,061,048,832
  5. Step 5: Solve for x
    x = 853,848,232,061,048,832/1,308,440,957.06
  6. Step 6: Final answer
    x = 652,569,172.08

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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.