Home / 9,479,145,820.56-13,081,060,917.36-5,249,966,907.21

Finding the Fourth Proportional to 9,479,145,820.56, 13,081,060,917.36 and 5,249,966,907.21

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Solution

The fourth proportional to 9,479,145,820.56, 13,081,060,917.36 and 5,249,966,907.21 is: 7,244,865,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,145,820.56 : 13,081,060,917.36 = 5,249,966,907.21 : x
  2. Step 2: Convert to fraction form
    9,479,145,820.56/13,081,060,917.36 = 5,249,966,907.21/x
  3. Step 3: Cross multiply
    9,479,145,820.56x = 13,081,060,917.36 × 5,249,966,907.21
  4. Step 4: Simplify right side
    9,479,145,820.56x = 68,675,136,927,326,388,224
  5. Step 5: Solve for x
    x = 68,675,136,927,326,388,224/9,479,145,820.56
  6. Step 6: Final answer
    x = 7,244,865,542.46

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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.