Home / 708,105,207,554.45-977,188,130,572.55-382,944,499,367.38

Finding the Fourth Proportional to 708,105,207,554.45, 977,188,130,572.55 and 382,944,499,367.38

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Solution

The fourth proportional to 708,105,207,554.45, 977,188,130,572.55 and 382,944,499,367.38 is: 528,465,001,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,105,207,554.45 : 977,188,130,572.55 = 382,944,499,367.38 : x
  2. Step 2: Convert to fraction form
    708,105,207,554.45/977,188,130,572.55 = 382,944,499,367.38/x
  3. Step 3: Cross multiply
    708,105,207,554.45x = 977,188,130,572.55 × 382,944,499,367.38
  4. Step 4: Simplify right side
    708,105,207,554.45x = 374,208,819,449,851,149,287,424
  5. Step 5: Solve for x
    x = 374,208,819,449,851,149,287,424/708,105,207,554.45
  6. Step 6: Final answer
    x = 528,465,001,326.91

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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.