Home / 477,724,307,006.59-659,259,518,456.25-257,992,977,974.61

Finding the Fourth Proportional to 477,724,307,006.59, 659,259,518,456.25 and 257,992,977,974.61

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Solution

The fourth proportional to 477,724,307,006.59, 659,259,518,456.25 and 257,992,977,974.61 is: 356,030,295,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,307,006.59 : 659,259,518,456.25 = 257,992,977,974.61 : x
  2. Step 2: Convert to fraction form
    477,724,307,006.59/659,259,518,456.25 = 257,992,977,974.61/x
  3. Step 3: Cross multiply
    477,724,307,006.59x = 659,259,518,456.25 × 257,992,977,974.61
  4. Step 4: Simplify right side
    477,724,307,006.59x = 170,084,326,424,635,299,069,952
  5. Step 5: Solve for x
    x = 170,084,326,424,635,299,069,952/477,724,307,006.59
  6. Step 6: Final answer
    x = 356,030,295,988.87

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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.