Home / 30,684,622,539.51-42,338,637,732.84-17,134,174,762.38

Finding the Fourth Proportional to 30,684,622,539.51, 42,338,637,732.84 and 17,134,174,762.38

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Solution

The fourth proportional to 30,684,622,539.51, 42,338,637,732.84 and 17,134,174,762.38 is: 23,641,731,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,684,622,539.51 : 42,338,637,732.84 = 17,134,174,762.38 : x
  2. Step 2: Convert to fraction form
    30,684,622,539.51/42,338,637,732.84 = 17,134,174,762.38/x
  3. Step 3: Cross multiply
    30,684,622,539.51x = 42,338,637,732.84 × 17,134,174,762.38
  4. Step 4: Simplify right side
    30,684,622,539.51x = 725,437,618,115,576,594,432
  5. Step 5: Solve for x
    x = 725,437,618,115,576,594,432/30,684,622,539.51
  6. Step 6: Final answer
    x = 23,641,731,853.85

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Double scale
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1.5x scale

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.