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Finding the Fourth Proportional to 12,791,160,030.30, 19,152,302,668.65 and 12,791,160,030.30

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Solution

The fourth proportional to 12,791,160,030.30, 19,152,302,668.65 and 12,791,160,030.30 is: 19,152,302,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,160,030.30 : 19,152,302,668.65 = 12,791,160,030.30 : x
  2. Step 2: Convert to fraction form
    12,791,160,030.30/19,152,302,668.65 = 12,791,160,030.30/x
  3. Step 3: Cross multiply
    12,791,160,030.30x = 19,152,302,668.65 × 12,791,160,030.30
  4. Step 4: Simplify right side
    12,791,160,030.30x = 244,980,168,383,443,894,272
  5. Step 5: Solve for x
    x = 244,980,168,383,443,894,272/12,791,160,030.30
  6. Step 6: Final answer
    x = 19,152,302,668.65

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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.