Home / 804,263,648-1,109,973,916.80-486,898,822.40

Finding the Fourth Proportional to 804,263,648, 1,109,973,916.80 and 486,898,822.40

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Solution

The fourth proportional to 804,263,648, 1,109,973,916.80 and 486,898,822.40 is: 671,974,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,263,648 : 1,109,973,916.80 = 486,898,822.40 : x
  2. Step 2: Convert to fraction form
    804,263,648/1,109,973,916.80 = 486,898,822.40/x
  3. Step 3: Cross multiply
    804,263,648x = 1,109,973,916.80 × 486,898,822.40
  4. Step 4: Simplify right side
    804,263,648x = 540,444,992,984,635,520
  5. Step 5: Solve for x
    x = 540,444,992,984,635,520/804,263,648
  6. Step 6: Final answer
    x = 671,974,910.63

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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.