Home / 1,347,688,786.78-2,021,574,362.95-462,361,727.39

Finding the Fourth Proportional to 1,347,688,786.78, 2,021,574,362.95 and 462,361,727.39

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Solution

The fourth proportional to 1,347,688,786.78, 2,021,574,362.95 and 462,361,727.39 is: 693,556,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,688,786.78 : 2,021,574,362.95 = 462,361,727.39 : x
  2. Step 2: Convert to fraction form
    1,347,688,786.78/2,021,574,362.95 = 462,361,727.39/x
  3. Step 3: Cross multiply
    1,347,688,786.78x = 2,021,574,362.95 × 462,361,727.39
  4. Step 4: Simplify right side
    1,347,688,786.78x = 934,698,614,491,393,920
  5. Step 5: Solve for x
    x = 934,698,614,491,393,920/1,347,688,786.78
  6. Step 6: Final answer
    x = 693,556,719.96

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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.