Home / 14,172,096,267.70-21,258,144,401.55-7,641,749,259.70

Finding the Fourth Proportional to 14,172,096,267.70, 21,258,144,401.55 and 7,641,749,259.70

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Solution

The fourth proportional to 14,172,096,267.70, 21,258,144,401.55 and 7,641,749,259.70 is: 11,462,623,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172,096,267.70 : 21,258,144,401.55 = 7,641,749,259.70 : x
  2. Step 2: Convert to fraction form
    14,172,096,267.70/21,258,144,401.55 = 7,641,749,259.70/x
  3. Step 3: Cross multiply
    14,172,096,267.70x = 21,258,144,401.55 × 7,641,749,259.70
  4. Step 4: Simplify right side
    14,172,096,267.70x = 162,449,409,243,140,390,912
  5. Step 5: Solve for x
    x = 162,449,409,243,140,390,912/14,172,096,267.70
  6. Step 6: Final answer
    x = 11,462,623,889.55

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Double scale
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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.