Home / 31,866,769,335.51-43,979,997,999.87-18,136,900,994.49

Finding the Fourth Proportional to 31,866,769,335.51, 43,979,997,999.87 and 18,136,900,994.49

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Solution

The fourth proportional to 31,866,769,335.51, 43,979,997,999.87 and 18,136,900,994.49 is: 25,031,118,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866,769,335.51 : 43,979,997,999.87 = 18,136,900,994.49 : x
  2. Step 2: Convert to fraction form
    31,866,769,335.51/43,979,997,999.87 = 18,136,900,994.49/x
  3. Step 3: Cross multiply
    31,866,769,335.51x = 43,979,997,999.87 × 18,136,900,994.49
  4. Step 4: Simplify right side
    31,866,769,335.51x = 797,660,869,461,510,586,368
  5. Step 5: Solve for x
    x = 797,660,869,461,510,586,368/31,866,769,335.51
  6. Step 6: Final answer
    x = 25,031,118,186.58

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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.