Home / 1,031,739,138.52-1,423,762,608.41-630,524,120.36

Finding the Fourth Proportional to 1,031,739,138.52, 1,423,762,608.41 and 630,524,120.36

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Solution

The fourth proportional to 1,031,739,138.52, 1,423,762,608.41 and 630,524,120.36 is: 870,100,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,739,138.52 : 1,423,762,608.41 = 630,524,120.36 : x
  2. Step 2: Convert to fraction form
    1,031,739,138.52/1,423,762,608.41 = 630,524,120.36/x
  3. Step 3: Cross multiply
    1,031,739,138.52x = 1,423,762,608.41 × 630,524,120.36
  4. Step 4: Simplify right side
    1,031,739,138.52x = 897,716,666,274,310,016
  5. Step 5: Solve for x
    x = 897,716,666,274,310,016/1,031,739,138.52
  6. Step 6: Final answer
    x = 870,100,428.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.