Home / 457,039,753.58-630,907,952.40-308,562,002.64

Finding the Fourth Proportional to 457,039,753.58, 630,907,952.40 and 308,562,002.64

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Solution

The fourth proportional to 457,039,753.58, 630,907,952.40 and 308,562,002.64 is: 425,945,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,039,753.58 : 630,907,952.40 = 308,562,002.64 : x
  2. Step 2: Convert to fraction form
    457,039,753.58/630,907,952.40 = 308,562,002.64/x
  3. Step 3: Cross multiply
    457,039,753.58x = 630,907,952.40 × 308,562,002.64
  4. Step 4: Simplify right side
    457,039,753.58x = 194,674,221,274,045,792
  5. Step 5: Solve for x
    x = 194,674,221,274,045,792/457,039,753.58
  6. Step 6: Final answer
    x = 425,945,926.47

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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.