Home / 1,188,162,520.48-1,782,241,330.80-670,357,902.88

Finding the Fourth Proportional to 1,188,162,520.48, 1,782,241,330.80 and 670,357,902.88

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Solution

The fourth proportional to 1,188,162,520.48, 1,782,241,330.80 and 670,357,902.88 is: 1,005,535,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,162,520.48 : 1,782,241,330.80 = 670,357,902.88 : x
  2. Step 2: Convert to fraction form
    1,188,162,520.48/1,782,241,330.80 = 670,357,902.88/x
  3. Step 3: Cross multiply
    1,188,162,520.48x = 1,782,241,330.80 × 670,357,902.88
  4. Step 4: Simplify right side
    1,188,162,520.48x = 1,194,739,560,941,148,416
  5. Step 5: Solve for x
    x = 1,194,739,560,941,148,416/1,188,162,520.48
  6. Step 6: Final answer
    x = 1,005,535,472.08

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1.5x scale

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.