Home / 286,208,029.20-429,312,043.80-266,052,637.20

Finding the Fourth Proportional to 286,208,029.20, 429,312,043.80 and 266,052,637.20

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Solution

The fourth proportional to 286,208,029.20, 429,312,043.80 and 266,052,637.20 is: 399,078,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,208,029.20 : 429,312,043.80 = 266,052,637.20 : x
  2. Step 2: Convert to fraction form
    286,208,029.20/429,312,043.80 = 266,052,637.20/x
  3. Step 3: Cross multiply
    286,208,029.20x = 429,312,043.80 × 266,052,637.20
  4. Step 4: Simplify right side
    286,208,029.20x = 114,219,601,434,711,904
  5. Step 5: Solve for x
    x = 114,219,601,434,711,904/286,208,029.20
  6. Step 6: Final answer
    x = 399,078,955.80

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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.