Home / 843,079,938.03-1,163,572,071.37-485,779,309.22

Finding the Fourth Proportional to 843,079,938.03, 1,163,572,071.37 and 485,779,309.22

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Solution

The fourth proportional to 843,079,938.03, 1,163,572,071.37 and 485,779,309.22 is: 670,445,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,079,938.03 : 1,163,572,071.37 = 485,779,309.22 : x
  2. Step 2: Convert to fraction form
    843,079,938.03/1,163,572,071.37 = 485,779,309.22/x
  3. Step 3: Cross multiply
    843,079,938.03x = 1,163,572,071.37 × 485,779,309.22
  4. Step 4: Simplify right side
    843,079,938.03x = 565,239,237,059,497,664
  5. Step 5: Solve for x
    x = 565,239,237,059,497,664/843,079,938.03
  6. Step 6: Final answer
    x = 670,445,602.56

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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.