Home / 9,789,142,560-13,509,018,676.64-5,333,806,936.32

Finding the Fourth Proportional to 9,789,142,560, 13,509,018,676.64 and 5,333,806,936.32

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Solution

The fourth proportional to 9,789,142,560, 13,509,018,676.64 and 5,333,806,936.32 is: 7,360,654,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,142,560 : 13,509,018,676.64 = 5,333,806,936.32 : x
  2. Step 2: Convert to fraction form
    9,789,142,560/13,509,018,676.64 = 5,333,806,936.32/x
  3. Step 3: Cross multiply
    9,789,142,560x = 13,509,018,676.64 × 5,333,806,936.32
  4. Step 4: Simplify right side
    9,789,142,560x = 72,054,497,520,338,853,888
  5. Step 5: Solve for x
    x = 72,054,497,520,338,853,888/9,789,142,560
  6. Step 6: Final answer
    x = 7,360,654,631.26

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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.