Home / 843,079,930.14-1,163,572,060.47-485,779,301.46

Finding the Fourth Proportional to 843,079,930.14, 1,163,572,060.47 and 485,779,301.46

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Solution

The fourth proportional to 843,079,930.14, 1,163,572,060.47 and 485,779,301.46 is: 670,445,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,079,930.14 : 1,163,572,060.47 = 485,779,301.46 : x
  2. Step 2: Convert to fraction form
    843,079,930.14/1,163,572,060.47 = 485,779,301.46/x
  3. Step 3: Cross multiply
    843,079,930.14x = 1,163,572,060.47 × 485,779,301.46
  4. Step 4: Simplify right side
    843,079,930.14x = 565,239,222,733,489,472
  5. Step 5: Solve for x
    x = 565,239,222,733,489,472/843,079,930.14
  6. Step 6: Final answer
    x = 670,445,591.84

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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.