Home / 1,704,239,514.60-2,556,359,271.90-978,645,402.60

Finding the Fourth Proportional to 1,704,239,514.60, 2,556,359,271.90 and 978,645,402.60

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Solution

The fourth proportional to 1,704,239,514.60, 2,556,359,271.90 and 978,645,402.60 is: 1,467,968,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,239,514.60 : 2,556,359,271.90 = 978,645,402.60 : x
  2. Step 2: Convert to fraction form
    1,704,239,514.60/2,556,359,271.90 = 978,645,402.60/x
  3. Step 3: Cross multiply
    1,704,239,514.60x = 2,556,359,271.90 × 978,645,402.60
  4. Step 4: Simplify right side
    1,704,239,514.60x = 2,501,769,248,838,818,304
  5. Step 5: Solve for x
    x = 2,501,769,248,838,818,304/1,704,239,514.60
  6. Step 6: Final answer
    x = 1,467,968,103.90

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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.