Home / 843,079,928.14-1,163,572,057.71-485,779,299.46

Finding the Fourth Proportional to 843,079,928.14, 1,163,572,057.71 and 485,779,299.46

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Solution

The fourth proportional to 843,079,928.14, 1,163,572,057.71 and 485,779,299.46 is: 670,445,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,079,928.14 : 1,163,572,057.71 = 485,779,299.46 : x
  2. Step 2: Convert to fraction form
    843,079,928.14/1,163,572,057.71 = 485,779,299.46/x
  3. Step 3: Cross multiply
    843,079,928.14x = 1,163,572,057.71 × 485,779,299.46
  4. Step 4: Simplify right side
    843,079,928.14x = 565,239,219,065,594,496
  5. Step 5: Solve for x
    x = 565,239,219,065,594,496/843,079,928.14
  6. Step 6: Final answer
    x = 670,445,589.08

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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.