Home / 990,111,582.12-1,366,364,859.13-544,075,060.80

Finding the Fourth Proportional to 990,111,582.12, 1,366,364,859.13 and 544,075,060.80

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Solution

The fourth proportional to 990,111,582.12, 1,366,364,859.13 and 544,075,060.80 is: 750,829,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,111,582.12 : 1,366,364,859.13 = 544,075,060.80 : x
  2. Step 2: Convert to fraction form
    990,111,582.12/1,366,364,859.13 = 544,075,060.80/x
  3. Step 3: Cross multiply
    990,111,582.12x = 1,366,364,859.13 × 544,075,060.80
  4. Step 4: Simplify right side
    990,111,582.12x = 743,405,043,799,654,144
  5. Step 5: Solve for x
    x = 743,405,043,799,654,144/990,111,582.12
  6. Step 6: Final answer
    x = 750,829,560.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.