Home / 630,132,973.02-945,347,924.43-215,614,307.43

Finding the Fourth Proportional to 630,132,973.02, 945,347,924.43 and 215,614,307.43

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Solution

The fourth proportional to 630,132,973.02, 945,347,924.43 and 215,614,307.43 is: 323,472,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,132,973.02 : 945,347,924.43 = 215,614,307.43 : x
  2. Step 2: Convert to fraction form
    630,132,973.02/945,347,924.43 = 215,614,307.43/x
  3. Step 3: Cross multiply
    630,132,973.02x = 945,347,924.43 × 215,614,307.43
  4. Step 4: Simplify right side
    630,132,973.02x = 203,830,538,006,362,432
  5. Step 5: Solve for x
    x = 203,830,538,006,362,432/630,132,973.02
  6. Step 6: Final answer
    x = 323,472,261.78

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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.