Home / 630,083,872.40-945,125,808.60-170,021,303.60

Finding the Fourth Proportional to 630,083,872.40, 945,125,808.60 and 170,021,303.60

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Solution

The fourth proportional to 630,083,872.40, 945,125,808.60 and 170,021,303.60 is: 255,031,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,083,872.40 : 945,125,808.60 = 170,021,303.60 : x
  2. Step 2: Convert to fraction form
    630,083,872.40/945,125,808.60 = 170,021,303.60/x
  3. Step 3: Cross multiply
    630,083,872.40x = 945,125,808.60 × 170,021,303.60
  4. Step 4: Simplify right side
    630,083,872.40x = 160,691,522,044,176,096
  5. Step 5: Solve for x
    x = 160,691,522,044,176,096/630,083,872.40
  6. Step 6: Final answer
    x = 255,031,955.40

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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.