Home / 630,720,374.40-946,080,561.60-170,729,539.20

Finding the Fourth Proportional to 630,720,374.40, 946,080,561.60 and 170,729,539.20

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Solution

The fourth proportional to 630,720,374.40, 946,080,561.60 and 170,729,539.20 is: 256,094,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,720,374.40 : 946,080,561.60 = 170,729,539.20 : x
  2. Step 2: Convert to fraction form
    630,720,374.40/946,080,561.60 = 170,729,539.20/x
  3. Step 3: Cross multiply
    630,720,374.40x = 946,080,561.60 × 170,729,539.20
  4. Step 4: Simplify right side
    630,720,374.40x = 161,523,898,328,045,216
  5. Step 5: Solve for x
    x = 161,523,898,328,045,216/630,720,374.40
  6. Step 6: Final answer
    x = 256,094,308.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.