Home / 1,858,594,347.36-2,565,045,477.52-1,387,878,453.23

Finding the Fourth Proportional to 1,858,594,347.36, 2,565,045,477.52 and 1,387,878,453.23

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Solution

The fourth proportional to 1,858,594,347.36, 2,565,045,477.52 and 1,387,878,453.23 is: 1,915,410,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,594,347.36 : 2,565,045,477.52 = 1,387,878,453.23 : x
  2. Step 2: Convert to fraction form
    1,858,594,347.36/2,565,045,477.52 = 1,387,878,453.23/x
  3. Step 3: Cross multiply
    1,858,594,347.36x = 2,565,045,477.52 × 1,387,878,453.23
  4. Step 4: Simplify right side
    1,858,594,347.36x = 3,559,971,349,788,630,016
  5. Step 5: Solve for x
    x = 3,559,971,349,788,630,016/1,858,594,347.36
  6. Step 6: Final answer
    x = 1,915,410,619.24

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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.