Home / 13,984,062,133.21-19,297,780,530.64-7,640,293,752.25

Finding the Fourth Proportional to 13,984,062,133.21, 19,297,780,530.64 and 7,640,293,752.25

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Solution

The fourth proportional to 13,984,062,133.21, 19,297,780,530.64 and 7,640,293,752.25 is: 10,543,482,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984,062,133.21 : 19,297,780,530.64 = 7,640,293,752.25 : x
  2. Step 2: Convert to fraction form
    13,984,062,133.21/19,297,780,530.64 = 7,640,293,752.25/x
  3. Step 3: Cross multiply
    13,984,062,133.21x = 19,297,780,530.64 × 7,640,293,752.25
  4. Step 4: Simplify right side
    13,984,062,133.21x = 147,440,712,020,467,400,704
  5. Step 5: Solve for x
    x = 147,440,712,020,467,400,704/13,984,062,133.21
  6. Step 6: Final answer
    x = 10,543,482,331.24

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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.