Home / 1,981,336,399.20-2,972,004,598.80-507,473,359.20

Finding the Fourth Proportional to 1,981,336,399.20, 2,972,004,598.80 and 507,473,359.20

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Solution

The fourth proportional to 1,981,336,399.20, 2,972,004,598.80 and 507,473,359.20 is: 761,210,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,336,399.20 : 2,972,004,598.80 = 507,473,359.20 : x
  2. Step 2: Convert to fraction form
    1,981,336,399.20/2,972,004,598.80 = 507,473,359.20/x
  3. Step 3: Cross multiply
    1,981,336,399.20x = 2,972,004,598.80 × 507,473,359.20
  4. Step 4: Simplify right side
    1,981,336,399.20x = 1,508,213,157,310,884,352
  5. Step 5: Solve for x
    x = 1,508,213,157,310,884,352/1,981,336,399.20
  6. Step 6: Final answer
    x = 761,210,038.80

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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.