Home / 883,073,315.84-1,218,705,584.64-511,891,174.40

Finding the Fourth Proportional to 883,073,315.84, 1,218,705,584.64 and 511,891,174.40

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Solution

The fourth proportional to 883,073,315.84, 1,218,705,584.64 and 511,891,174.40 is: 706,447,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,073,315.84 : 1,218,705,584.64 = 511,891,174.40 : x
  2. Step 2: Convert to fraction form
    883,073,315.84/1,218,705,584.64 = 511,891,174.40/x
  3. Step 3: Cross multiply
    883,073,315.84x = 1,218,705,584.64 × 511,891,174.40
  4. Step 4: Simplify right side
    883,073,315.84x = 623,844,632,969,208,192
  5. Step 5: Solve for x
    x = 623,844,632,969,208,192/883,073,315.84
  6. Step 6: Final answer
    x = 706,447,156.51

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1.5x scale

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.