Home / 429,082,594.38-643,296,521.16-195,750,127.08

Finding the Fourth Proportional to 429,082,594.38, 643,296,521.16 and 195,750,127.08

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Solution

The fourth proportional to 429,082,594.38, 643,296,521.16 and 195,750,127.08 is: 293,475,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,082,594.38 : 643,296,521.16 = 195,750,127.08 : x
  2. Step 2: Convert to fraction form
    429,082,594.38/643,296,521.16 = 195,750,127.08/x
  3. Step 3: Cross multiply
    429,082,594.38x = 643,296,521.16 × 195,750,127.08
  4. Step 4: Simplify right side
    429,082,594.38x = 125,925,375,767,191,904
  5. Step 5: Solve for x
    x = 125,925,375,767,191,904/429,082,594.38
  6. Step 6: Final answer
    x = 293,475,842.22

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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.