Home / 288,685,724.10-433,028,586.15-173,611,032.90

Finding the Fourth Proportional to 288,685,724.10, 433,028,586.15 and 173,611,032.90

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Solution

The fourth proportional to 288,685,724.10, 433,028,586.15 and 173,611,032.90 is: 260,416,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,685,724.10 : 433,028,586.15 = 173,611,032.90 : x
  2. Step 2: Convert to fraction form
    288,685,724.10/433,028,586.15 = 173,611,032.90/x
  3. Step 3: Cross multiply
    288,685,724.10x = 433,028,586.15 × 173,611,032.90
  4. Step 4: Simplify right side
    288,685,724.10x = 75,178,540,116,728,128
  5. Step 5: Solve for x
    x = 75,178,540,116,728,128/288,685,724.10
  6. Step 6: Final answer
    x = 260,416,549.35

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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.