Home / 1,981,734,134.37-2,972,533,877.45-507,888,415.41

Finding the Fourth Proportional to 1,981,734,134.37, 2,972,533,877.45 and 507,888,415.41

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Solution

The fourth proportional to 1,981,734,134.37, 2,972,533,877.45 and 507,888,415.41 is: 761,815,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,734,134.37 : 2,972,533,877.45 = 507,888,415.41 : x
  2. Step 2: Convert to fraction form
    1,981,734,134.37/2,972,533,877.45 = 507,888,415.41/x
  3. Step 3: Cross multiply
    1,981,734,134.37x = 2,972,533,877.45 × 507,888,415.41
  4. Step 4: Simplify right side
    1,981,734,134.37x = 1,509,715,520,770,623,488
  5. Step 5: Solve for x
    x = 1,509,715,520,770,623,488/1,981,734,134.37
  6. Step 6: Final answer
    x = 761,815,368.97

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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.