Home / 2,790,736,239.42-3,850,005,985.29-1,661,072,532.30

Finding the Fourth Proportional to 2,790,736,239.42, 3,850,005,985.29 and 1,661,072,532.30

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Solution

The fourth proportional to 2,790,736,239.42, 3,850,005,985.29 and 1,661,072,532.30 is: 2,291,559,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,736,239.42 : 3,850,005,985.29 = 1,661,072,532.30 : x
  2. Step 2: Convert to fraction form
    2,790,736,239.42/3,850,005,985.29 = 1,661,072,532.30/x
  3. Step 3: Cross multiply
    2,790,736,239.42x = 3,850,005,985.29 × 1,661,072,532.30
  4. Step 4: Simplify right side
    2,790,736,239.42x = 6,395,139,191,355,816,960
  5. Step 5: Solve for x
    x = 6,395,139,191,355,816,960/2,790,736,239.42
  6. Step 6: Final answer
    x = 2,291,559,876.22

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Double scale
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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.