Home / 622,084,043.80-933,126,065.70-391,304,805.40

Finding the Fourth Proportional to 622,084,043.80, 933,126,065.70 and 391,304,805.40

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Solution

The fourth proportional to 622,084,043.80, 933,126,065.70 and 391,304,805.40 is: 586,957,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,084,043.80 : 933,126,065.70 = 391,304,805.40 : x
  2. Step 2: Convert to fraction form
    622,084,043.80/933,126,065.70 = 391,304,805.40/x
  3. Step 3: Cross multiply
    622,084,043.80x = 933,126,065.70 × 391,304,805.40
  4. Step 4: Simplify right side
    622,084,043.80x = 365,136,713,552,406,080
  5. Step 5: Solve for x
    x = 365,136,713,552,406,080/622,084,043.80
  6. Step 6: Final answer
    x = 586,957,208.10

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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.