Home / 288,685,764.60-433,028,646.90-173,611,073.40

Finding the Fourth Proportional to 288,685,764.60, 433,028,646.90 and 173,611,073.40

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Solution

The fourth proportional to 288,685,764.60, 433,028,646.90 and 173,611,073.40 is: 260,416,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,685,764.60 : 433,028,646.90 = 173,611,073.40 : x
  2. Step 2: Convert to fraction form
    288,685,764.60/433,028,646.90 = 173,611,073.40/x
  3. Step 3: Cross multiply
    288,685,764.60x = 433,028,646.90 × 173,611,073.40
  4. Step 4: Simplify right side
    288,685,764.60x = 75,178,568,201,258,576
  5. Step 5: Solve for x
    x = 75,178,568,201,258,576/288,685,764.60
  6. Step 6: Final answer
    x = 260,416,610.10

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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.