Home / 1,985,148,879.60-2,977,835,293.80-605,008,412.40

Finding the Fourth Proportional to 1,985,148,879.60, 2,977,835,293.80 and 605,008,412.40

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Solution

The fourth proportional to 1,985,148,879.60, 2,977,835,293.80 and 605,008,412.40 is: 907,546,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,148,879.60 : 2,977,835,293.80 = 605,008,412.40 : x
  2. Step 2: Convert to fraction form
    1,985,148,879.60/2,977,835,293.80 = 605,008,412.40/x
  3. Step 3: Cross multiply
    1,985,148,879.60x = 2,977,835,293.80 × 605,008,412.40
  4. Step 4: Simplify right side
    1,985,148,879.60x = 1,801,615,403,490,625,536
  5. Step 5: Solve for x
    x = 1,801,615,403,490,625,536/1,985,148,879.60
  6. Step 6: Final answer
    x = 907,546,744.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.