Home / 399,539,837.77-599,357,779.94-140,701,564.33

Finding the Fourth Proportional to 399,539,837.77, 599,357,779.94 and 140,701,564.33

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Solution

The fourth proportional to 399,539,837.77, 599,357,779.94 and 140,701,564.33 is: 211,069,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,539,837.77 : 599,357,779.94 = 140,701,564.33 : x
  2. Step 2: Convert to fraction form
    399,539,837.77/599,357,779.94 = 140,701,564.33/x
  3. Step 3: Cross multiply
    399,539,837.77x = 599,357,779.94 × 140,701,564.33
  4. Step 4: Simplify right side
    399,539,837.77x = 84,330,577,230,913,904
  5. Step 5: Solve for x
    x = 84,330,577,230,913,904/399,539,837.77
  6. Step 6: Final answer
    x = 211,069,258.33

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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.