Home / 9,681,767,388.54-13,367,007,929.79-7,901,866,520.10

Finding the Fourth Proportional to 9,681,767,388.54, 13,367,007,929.79 and 7,901,866,520.10

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Solution

The fourth proportional to 9,681,767,388.54, 13,367,007,929.79 and 7,901,866,520.10 is: 10,909,610,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,767,388.54 : 13,367,007,929.79 = 7,901,866,520.10 : x
  2. Step 2: Convert to fraction form
    9,681,767,388.54/13,367,007,929.79 = 7,901,866,520.10/x
  3. Step 3: Cross multiply
    9,681,767,388.54x = 13,367,007,929.79 × 7,901,866,520.10
  4. Step 4: Simplify right side
    9,681,767,388.54x = 105,624,312,434,318,819,328
  5. Step 5: Solve for x
    x = 105,624,312,434,318,819,328/9,681,767,388.54
  6. Step 6: Final answer
    x = 10,909,610,631.56

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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.