Home / 14,918,460,787.92-20,587,371,156.30-8,144,279,366.68

Finding the Fourth Proportional to 14,918,460,787.92, 20,587,371,156.30 and 8,144,279,366.68

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Solution

The fourth proportional to 14,918,460,787.92, 20,587,371,156.30 and 8,144,279,366.68 is: 11,239,048,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918,460,787.92 : 20,587,371,156.30 = 8,144,279,366.68 : x
  2. Step 2: Convert to fraction form
    14,918,460,787.92/20,587,371,156.30 = 8,144,279,366.68/x
  3. Step 3: Cross multiply
    14,918,460,787.92x = 20,587,371,156.30 × 8,144,279,366.68
  4. Step 4: Simplify right side
    14,918,460,787.92x = 167,669,302,122,437,050,368
  5. Step 5: Solve for x
    x = 167,669,302,122,437,050,368/14,918,460,787.92
  6. Step 6: Final answer
    x = 11,239,048,351.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.