Home / 843,079,927.14-1,163,572,056.33-485,779,298.46

Finding the Fourth Proportional to 843,079,927.14, 1,163,572,056.33 and 485,779,298.46

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Solution

The fourth proportional to 843,079,927.14, 1,163,572,056.33 and 485,779,298.46 is: 670,445,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,079,927.14 : 1,163,572,056.33 = 485,779,298.46 : x
  2. Step 2: Convert to fraction form
    843,079,927.14/1,163,572,056.33 = 485,779,298.46/x
  3. Step 3: Cross multiply
    843,079,927.14x = 1,163,572,056.33 × 485,779,298.46
  4. Step 4: Simplify right side
    843,079,927.14x = 565,239,217,231,646,912
  5. Step 5: Solve for x
    x = 565,239,217,231,646,912/843,079,927.14
  6. Step 6: Final answer
    x = 670,445,587.70

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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.