Home / 14,731,201,435.79-20,329,066,136.53-7,957,019,980.37

Finding the Fourth Proportional to 14,731,201,435.79, 20,329,066,136.53 and 7,957,019,980.37

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Solution

The fourth proportional to 14,731,201,435.79, 20,329,066,136.53 and 7,957,019,980.37 is: 10,980,691,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731,201,435.79 : 20,329,066,136.53 = 7,957,019,980.37 : x
  2. Step 2: Convert to fraction form
    14,731,201,435.79/20,329,066,136.53 = 7,957,019,980.37/x
  3. Step 3: Cross multiply
    14,731,201,435.79x = 20,329,066,136.53 × 7,957,019,980.37
  4. Step 4: Simplify right side
    14,731,201,435.79x = 161,758,785,430,651,371,520
  5. Step 5: Solve for x
    x = 161,758,785,430,651,371,520/14,731,201,435.79
  6. Step 6: Final answer
    x = 10,980,691,977.89

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1.5x scale

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.