Home / 11,878,769,349.09-16,394,107,029.35-7,056,153,387.45

Finding the Fourth Proportional to 11,878,769,349.09, 16,394,107,029.35 and 7,056,153,387.45

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Solution

The fourth proportional to 11,878,769,349.09, 16,394,107,029.35 and 7,056,153,387.45 is: 9,738,326,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,769,349.09 : 16,394,107,029.35 = 7,056,153,387.45 : x
  2. Step 2: Convert to fraction form
    11,878,769,349.09/16,394,107,029.35 = 7,056,153,387.45/x
  3. Step 3: Cross multiply
    11,878,769,349.09x = 16,394,107,029.35 × 7,056,153,387.45
  4. Step 4: Simplify right side
    11,878,769,349.09x = 115,679,333,849,387,024,384
  5. Step 5: Solve for x
    x = 115,679,333,849,387,024,384/11,878,769,349.09
  6. Step 6: Final answer
    x = 9,738,326,458.73

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Double scale
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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.