Home / 800,386,541.58-1,104,567,947.28-443,154,315.36

Finding the Fourth Proportional to 800,386,541.58, 1,104,567,947.28 and 443,154,315.36

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Solution

The fourth proportional to 800,386,541.58, 1,104,567,947.28 and 443,154,315.36 is: 611,572,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,386,541.58 : 1,104,567,947.28 = 443,154,315.36 : x
  2. Step 2: Convert to fraction form
    800,386,541.58/1,104,567,947.28 = 443,154,315.36/x
  3. Step 3: Cross multiply
    800,386,541.58x = 1,104,567,947.28 × 443,154,315.36
  4. Step 4: Simplify right side
    800,386,541.58x = 489,494,052,445,468,992
  5. Step 5: Solve for x
    x = 489,494,052,445,468,992/800,386,541.58
  6. Step 6: Final answer
    x = 611,572,068.02

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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.