Home / 12,884,205,973.44-17,778,130,072.20-7,245,085,609.92

Finding the Fourth Proportional to 12,884,205,973.44, 17,778,130,072.20 and 7,245,085,609.92

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Solution

The fourth proportional to 12,884,205,973.44, 17,778,130,072.20 and 7,245,085,609.92 is: 9,997,051,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,205,973.44 : 17,778,130,072.20 = 7,245,085,609.92 : x
  2. Step 2: Convert to fraction form
    12,884,205,973.44/17,778,130,072.20 = 7,245,085,609.92/x
  3. Step 3: Cross multiply
    12,884,205,973.44x = 17,778,130,072.20 × 7,245,085,609.92
  4. Step 4: Simplify right side
    12,884,205,973.44x = 128,804,074,357,382,234,112
  5. Step 5: Solve for x
    x = 128,804,074,357,382,234,112/12,884,205,973.44
  6. Step 6: Final answer
    x = 9,997,051,787.51

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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.