Home / 673,614,026.80-1,010,421,040.20-413,987,383.60

Finding the Fourth Proportional to 673,614,026.80, 1,010,421,040.20 and 413,987,383.60

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Solution

The fourth proportional to 673,614,026.80, 1,010,421,040.20 and 413,987,383.60 is: 620,981,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,614,026.80 : 1,010,421,040.20 = 413,987,383.60 : x
  2. Step 2: Convert to fraction form
    673,614,026.80/1,010,421,040.20 = 413,987,383.60/x
  3. Step 3: Cross multiply
    673,614,026.80x = 1,010,421,040.20 × 413,987,383.60
  4. Step 4: Simplify right side
    673,614,026.80x = 418,301,562,766,788,480
  5. Step 5: Solve for x
    x = 418,301,562,766,788,480/673,614,026.80
  6. Step 6: Final answer
    x = 620,981,075.40

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1.5x scale

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.