Home / 690,262,212.08-952,582,479.72-377,011,203.68

Finding the Fourth Proportional to 690,262,212.08, 952,582,479.72 and 377,011,203.68

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Solution

The fourth proportional to 690,262,212.08, 952,582,479.72 and 377,011,203.68 is: 520,286,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,262,212.08 : 952,582,479.72 = 377,011,203.68 : x
  2. Step 2: Convert to fraction form
    690,262,212.08/952,582,479.72 = 377,011,203.68/x
  3. Step 3: Cross multiply
    690,262,212.08x = 952,582,479.72 × 377,011,203.68
  4. Step 4: Simplify right side
    690,262,212.08x = 359,134,267,283,716,416
  5. Step 5: Solve for x
    x = 359,134,267,283,716,416/690,262,212.08
  6. Step 6: Final answer
    x = 520,286,727.27

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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.