Home / 612,283,030.83-845,022,315.96-348,004,749.60

Finding the Fourth Proportional to 612,283,030.83, 845,022,315.96 and 348,004,749.60

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Solution

The fourth proportional to 612,283,030.83, 845,022,315.96 and 348,004,749.60 is: 480,287,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,283,030.83 : 845,022,315.96 = 348,004,749.60 : x
  2. Step 2: Convert to fraction form
    612,283,030.83/845,022,315.96 = 348,004,749.60/x
  3. Step 3: Cross multiply
    612,283,030.83x = 845,022,315.96 × 348,004,749.60
  4. Step 4: Simplify right side
    612,283,030.83x = 294,071,779,472,071,936
  5. Step 5: Solve for x
    x = 294,071,779,472,071,936/612,283,030.83
  6. Step 6: Final answer
    x = 480,287,325.74

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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.