Home / 1,075,208,514.80-1,611,679,031.40-419,906,332.40

Finding the Fourth Proportional to 1,075,208,514.80, 1,611,679,031.40 and 419,906,332.40

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Solution

The fourth proportional to 1,075,208,514.80, 1,611,679,031.40 and 419,906,332.40 is: 629,416,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,208,514.80 : 1,611,679,031.40 = 419,906,332.40 : x
  2. Step 2: Convert to fraction form
    1,075,208,514.80/1,611,679,031.40 = 419,906,332.40/x
  3. Step 3: Cross multiply
    1,075,208,514.80x = 1,611,679,031.40 × 419,906,332.40
  4. Step 4: Simplify right side
    1,075,208,514.80x = 676,754,231,081,158,400
  5. Step 5: Solve for x
    x = 676,754,231,081,158,400/1,075,208,514.80
  6. Step 6: Final answer
    x = 629,416,733.37

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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.