Home / 781,759,166,570.72-1,170,454,017,614.10-422,323,425,018.08

Finding the Fourth Proportional to 781,759,166,570.72, 1,170,454,017,614.10 and 422,323,425,018.08

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Solution

The fourth proportional to 781,759,166,570.72, 1,170,454,017,614.10 and 422,323,425,018.08 is: 632,304,897,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,759,166,570.72 : 1,170,454,017,614.10 = 422,323,425,018.08 : x
  2. Step 2: Convert to fraction form
    781,759,166,570.72/1,170,454,017,614.10 = 422,323,425,018.08/x
  3. Step 3: Cross multiply
    781,759,166,570.72x = 1,170,454,017,614.10 × 422,323,425,018.08
  4. Step 4: Simplify right side
    781,759,166,570.72x = 494,310,149,544,958,882,742,272
  5. Step 5: Solve for x
    x = 494,310,149,544,958,882,742,272/781,759,166,570.72
  6. Step 6: Final answer
    x = 632,304,897,316.79

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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.