Home / 626,258,655.58-939,382,001.82-380,683,093.72

Finding the Fourth Proportional to 626,258,655.58, 939,382,001.82 and 380,683,093.72

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Solution

The fourth proportional to 626,258,655.58, 939,382,001.82 and 380,683,093.72 is: 571,021,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,258,655.58 : 939,382,001.82 = 380,683,093.72 : x
  2. Step 2: Convert to fraction form
    626,258,655.58/939,382,001.82 = 380,683,093.72/x
  3. Step 3: Cross multiply
    626,258,655.58x = 939,382,001.82 × 380,683,093.72
  4. Step 4: Simplify right side
    626,258,655.58x = 357,606,846,637,724,288
  5. Step 5: Solve for x
    x = 357,606,846,637,724,288/626,258,655.58
  6. Step 6: Final answer
    x = 571,021,004.58

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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.