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Finding the Fourth Proportional to 200,596,501.80, 300,894,752.70 and 155,190,882.60

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Solution

The fourth proportional to 200,596,501.80, 300,894,752.70 and 155,190,882.60 is: 232,786,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,596,501.80 : 300,894,752.70 = 155,190,882.60 : x
  2. Step 2: Convert to fraction form
    200,596,501.80/300,894,752.70 = 155,190,882.60/x
  3. Step 3: Cross multiply
    200,596,501.80x = 300,894,752.70 × 155,190,882.60
  4. Step 4: Simplify right side
    200,596,501.80x = 46,696,122,241,221,728
  5. Step 5: Solve for x
    x = 46,696,122,241,221,728/200,596,501.80
  6. Step 6: Final answer
    x = 232,786,323.90

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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.