Home / 1,259,713,088.20-1,889,569,632.30-339,556,457.80

Finding the Fourth Proportional to 1,259,713,088.20, 1,889,569,632.30 and 339,556,457.80

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Solution

The fourth proportional to 1,259,713,088.20, 1,889,569,632.30 and 339,556,457.80 is: 509,334,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,088.20 : 1,889,569,632.30 = 339,556,457.80 : x
  2. Step 2: Convert to fraction form
    1,259,713,088.20/1,889,569,632.30 = 339,556,457.80/x
  3. Step 3: Cross multiply
    1,259,713,088.20x = 1,889,569,632.30 × 339,556,457.80
  4. Step 4: Simplify right side
    1,259,713,088.20x = 641,615,571,110,236,416
  5. Step 5: Solve for x
    x = 641,615,571,110,236,416/1,259,713,088.20
  6. Step 6: Final answer
    x = 509,334,686.70

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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.