Home / 360,108,803.28-496,943,670.63-203,472,547.29

Finding the Fourth Proportional to 360,108,803.28, 496,943,670.63 and 203,472,547.29

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Solution

The fourth proportional to 360,108,803.28, 496,943,670.63 and 203,472,547.29 is: 280,788,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,108,803.28 : 496,943,670.63 = 203,472,547.29 : x
  2. Step 2: Convert to fraction form
    360,108,803.28/496,943,670.63 = 203,472,547.29/x
  3. Step 3: Cross multiply
    360,108,803.28x = 496,943,670.63 × 203,472,547.29
  4. Step 4: Simplify right side
    360,108,803.28x = 101,114,394,522,728,848
  5. Step 5: Solve for x
    x = 101,114,394,522,728,848/360,108,803.28
  6. Step 6: Final answer
    x = 280,788,455.05

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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.