Home / 1,200,579,895.62-1,656,852,036.21-664,731,556.02

Finding the Fourth Proportional to 1,200,579,895.62, 1,656,852,036.21 and 664,731,556.02

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Solution

The fourth proportional to 1,200,579,895.62, 1,656,852,036.21 and 664,731,556.02 is: 917,358,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,579,895.62 : 1,656,852,036.21 = 664,731,556.02 : x
  2. Step 2: Convert to fraction form
    1,200,579,895.62/1,656,852,036.21 = 664,731,556.02/x
  3. Step 3: Cross multiply
    1,200,579,895.62x = 1,656,852,036.21 × 664,731,556.02
  4. Step 4: Simplify right side
    1,200,579,895.62x = 1,101,361,832,124,778,624
  5. Step 5: Solve for x
    x = 1,101,361,832,124,778,624/1,200,579,895.62
  6. Step 6: Final answer
    x = 917,358,216.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.