Home / 1,485,246,401.80-2,227,869,602.70-748,031,446.60

Finding the Fourth Proportional to 1,485,246,401.80, 2,227,869,602.70 and 748,031,446.60

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Solution

The fourth proportional to 1,485,246,401.80, 2,227,869,602.70 and 748,031,446.60 is: 1,122,047,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,246,401.80 : 2,227,869,602.70 = 748,031,446.60 : x
  2. Step 2: Convert to fraction form
    1,485,246,401.80/2,227,869,602.70 = 748,031,446.60/x
  3. Step 3: Cross multiply
    1,485,246,401.80x = 2,227,869,602.70 × 748,031,446.60
  4. Step 4: Simplify right side
    1,485,246,401.80x = 1,666,516,521,743,848,192
  5. Step 5: Solve for x
    x = 1,666,516,521,743,848,192/1,485,246,401.80
  6. Step 6: Final answer
    x = 1,122,047,169.90

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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.