Home / 699,159,661,656.01-964,830,064,905.33-390,515,524,928.14

Finding the Fourth Proportional to 699,159,661,656.01, 964,830,064,905.33 and 390,515,524,928.14

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Solution

The fourth proportional to 699,159,661,656.01, 964,830,064,905.33 and 390,515,524,928.14 is: 538,905,689,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,159,661,656.01 : 964,830,064,905.33 = 390,515,524,928.14 : x
  2. Step 2: Convert to fraction form
    699,159,661,656.01/964,830,064,905.33 = 390,515,524,928.14/x
  3. Step 3: Cross multiply
    699,159,661,656.01x = 964,830,064,905.33 × 390,515,524,928.14
  4. Step 4: Simplify right side
    699,159,661,656.01x = 376,781,119,262,956,296,601,600
  5. Step 5: Solve for x
    x = 376,781,119,262,956,296,601,600/699,159,661,656.01
  6. Step 6: Final answer
    x = 538,905,689,110.44

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Double scale
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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.