Home / 1,197,353,456.80-1,794,686,492.40-680,031,728.80

Finding the Fourth Proportional to 1,197,353,456.80, 1,794,686,492.40 and 680,031,728.80

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Solution

The fourth proportional to 1,197,353,456.80, 1,794,686,492.40 and 680,031,728.80 is: 1,019,284,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,353,456.80 : 1,794,686,492.40 = 680,031,728.80 : x
  2. Step 2: Convert to fraction form
    1,197,353,456.80/1,794,686,492.40 = 680,031,728.80/x
  3. Step 3: Cross multiply
    1,197,353,456.80x = 1,794,686,492.40 × 680,031,728.80
  4. Step 4: Simplify right side
    1,197,353,456.80x = 1,220,443,758,080,780,032
  5. Step 5: Solve for x
    x = 1,220,443,758,080,780,032/1,197,353,456.80
  6. Step 6: Final answer
    x = 1,019,284,448.67

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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.