Home / 406,736,710.10-561,302,809.99-228,160,183.69

Finding the Fourth Proportional to 406,736,710.10, 561,302,809.99 and 228,160,183.69

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Solution

The fourth proportional to 406,736,710.10, 561,302,809.99 and 228,160,183.69 is: 314,864,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,736,710.10 : 561,302,809.99 = 228,160,183.69 : x
  2. Step 2: Convert to fraction form
    406,736,710.10/561,302,809.99 = 228,160,183.69/x
  3. Step 3: Cross multiply
    406,736,710.10x = 561,302,809.99 × 228,160,183.69
  4. Step 4: Simplify right side
    406,736,710.10x = 128,066,952,233,162,784
  5. Step 5: Solve for x
    x = 128,066,952,233,162,784/406,736,710.10
  6. Step 6: Final answer
    x = 314,864,503.38

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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.