Home / 948,519,936-1,308,957,511.68-514,409,472

Finding the Fourth Proportional to 948,519,936, 1,308,957,511.68 and 514,409,472

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Solution

The fourth proportional to 948,519,936, 1,308,957,511.68 and 514,409,472 is: 709,885,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,519,936 : 1,308,957,511.68 = 514,409,472 : x
  2. Step 2: Convert to fraction form
    948,519,936/1,308,957,511.68 = 514,409,472/x
  3. Step 3: Cross multiply
    948,519,936x = 1,308,957,511.68 × 514,409,472
  4. Step 4: Simplify right side
    948,519,936x = 673,340,142,453,742,720
  5. Step 5: Solve for x
    x = 673,340,142,453,742,720/948,519,936
  6. Step 6: Final answer
    x = 709,885,071.36

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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.