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Finding the Fourth Proportional to 979,402,783,449.90, 1,466,782,274,016.40 and 979,402,783,449.90

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Solution

The fourth proportional to 979,402,783,449.90, 1,466,782,274,016.40 and 979,402,783,449.90 is: 1,466,782,274,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,402,783,449.90 : 1,466,782,274,016.40 = 979,402,783,449.90 : x
  2. Step 2: Convert to fraction form
    979,402,783,449.90/1,466,782,274,016.40 = 979,402,783,449.90/x
  3. Step 3: Cross multiply
    979,402,783,449.90x = 1,466,782,274,016.40 × 979,402,783,449.90
  4. Step 4: Simplify right side
    979,402,783,449.90x = 1,436,570,641,886,636,083,773,440
  5. Step 5: Solve for x
    x = 1,436,570,641,886,636,083,773,440/979,402,783,449.90
  6. Step 6: Final answer
    x = 1,466,782,274,016.40

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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.