Home / 286,578,889.80-429,868,334.70-281,795,920.80

Finding the Fourth Proportional to 286,578,889.80, 429,868,334.70 and 281,795,920.80

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Solution

The fourth proportional to 286,578,889.80, 429,868,334.70 and 281,795,920.80 is: 422,693,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,578,889.80 : 429,868,334.70 = 281,795,920.80 : x
  2. Step 2: Convert to fraction form
    286,578,889.80/429,868,334.70 = 281,795,920.80/x
  3. Step 3: Cross multiply
    286,578,889.80x = 429,868,334.70 × 281,795,920.80
  4. Step 4: Simplify right side
    286,578,889.80x = 121,135,143,199,549,088
  5. Step 5: Solve for x
    x = 121,135,143,199,549,088/286,578,889.80
  6. Step 6: Final answer
    x = 422,693,881.20

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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.