Home / 728,698,653,722.30-1,005,635,752,559.50-403,537,945,534.60

Finding the Fourth Proportional to 728,698,653,722.30, 1,005,635,752,559.50 and 403,537,945,534.60

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Solution

The fourth proportional to 728,698,653,722.30, 1,005,635,752,559.50 and 403,537,945,534.60 is: 556,899,870,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,698,653,722.30 : 1,005,635,752,559.50 = 403,537,945,534.60 : x
  2. Step 2: Convert to fraction form
    728,698,653,722.30/1,005,635,752,559.50 = 403,537,945,534.60/x
  3. Step 3: Cross multiply
    728,698,653,722.30x = 1,005,635,752,559.50 × 403,537,945,534.60
  4. Step 4: Simplify right side
    728,698,653,722.30x = 405,812,185,544,001,971,027,968
  5. Step 5: Solve for x
    x = 405,812,185,544,001,971,027,968/728,698,653,722.30
  6. Step 6: Final answer
    x = 556,899,870,023.16

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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.