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Finding the Fourth Proportional to 71,926,020,007.80, 107,889,030,011.70 and 71,926,020,007.80

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Solution

The fourth proportional to 71,926,020,007.80, 107,889,030,011.70 and 71,926,020,007.80 is: 107,889,030,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,926,020,007.80 : 107,889,030,011.70 = 71,926,020,007.80 : x
  2. Step 2: Convert to fraction form
    71,926,020,007.80/107,889,030,011.70 = 71,926,020,007.80/x
  3. Step 3: Cross multiply
    71,926,020,007.80x = 107,889,030,011.70 × 71,926,020,007.80
  4. Step 4: Simplify right side
    71,926,020,007.80x = 7,760,028,531,243,668,733,952
  5. Step 5: Solve for x
    x = 7,760,028,531,243,668,733,952/71,926,020,007.80
  6. Step 6: Final answer
    x = 107,889,030,011.70

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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.