Home / 699,159,661,662-964,830,064,913.60-390,515,524,934.16

Finding the Fourth Proportional to 699,159,661,662, 964,830,064,913.60 and 390,515,524,934.16

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Solution

The fourth proportional to 699,159,661,662, 964,830,064,913.60 and 390,515,524,934.16 is: 538,905,689,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,159,661,662 : 964,830,064,913.60 = 390,515,524,934.16 : x
  2. Step 2: Convert to fraction form
    699,159,661,662/964,830,064,913.60 = 390,515,524,934.16/x
  3. Step 3: Cross multiply
    699,159,661,662x = 964,830,064,913.60 × 390,515,524,934.16
  4. Step 4: Simplify right side
    699,159,661,662x = 376,781,119,271,994,115,751,936
  5. Step 5: Solve for x
    x = 376,781,119,271,994,115,751,936/699,159,661,662
  6. Step 6: Final answer
    x = 538,905,689,118.75

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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.