Home / 1,688,763,340,888-2,330,476,853,779-917,966,171,858.76

Finding the Fourth Proportional to 1,688,763,340,888, 2,330,476,853,779 and 917,966,171,858.76

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Solution

The fourth proportional to 1,688,763,340,888, 2,330,476,853,779 and 917,966,171,858.76 is: 1,266,784,317,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,763,340,888 : 2,330,476,853,779 = 917,966,171,858.76 : x
  2. Step 2: Convert to fraction form
    1,688,763,340,888/2,330,476,853,779 = 917,966,171,858.76/x
  3. Step 3: Cross multiply
    1,688,763,340,888x = 2,330,476,853,779 × 917,966,171,858.76
  4. Step 4: Simplify right side
    1,688,763,340,888x = 2,139,298,916,068,955,908,997,120
  5. Step 5: Solve for x
    x = 2,139,298,916,068,955,908,997,120/1,688,763,340,888
  6. Step 6: Final answer
    x = 1,266,784,317,418.95

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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.