Home / 476,807,736.55-657,846,792.98-278,426,125.66

Finding the Fourth Proportional to 476,807,736.55, 657,846,792.98 and 278,426,125.66

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Solution

The fourth proportional to 476,807,736.55, 657,846,792.98 and 278,426,125.66 is: 384,141,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,807,736.55 : 657,846,792.98 = 278,426,125.66 : x
  2. Step 2: Convert to fraction form
    476,807,736.55/657,846,792.98 = 278,426,125.66/x
  3. Step 3: Cross multiply
    476,807,736.55x = 657,846,792.98 × 278,426,125.66
  4. Step 4: Simplify right side
    476,807,736.55x = 183,161,733,847,277,504
  5. Step 5: Solve for x
    x = 183,161,733,847,277,504/476,807,736.55
  6. Step 6: Final answer
    x = 384,141,698.65

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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.