Home / 659,339,900.10-989,009,850.15-168,052,220.10

Finding the Fourth Proportional to 659,339,900.10, 989,009,850.15 and 168,052,220.10

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Solution

The fourth proportional to 659,339,900.10, 989,009,850.15 and 168,052,220.10 is: 252,078,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,339,900.10 : 989,009,850.15 = 168,052,220.10 : x
  2. Step 2: Convert to fraction form
    659,339,900.10/989,009,850.15 = 168,052,220.10/x
  3. Step 3: Cross multiply
    659,339,900.10x = 989,009,850.15 × 168,052,220.10
  4. Step 4: Simplify right side
    659,339,900.10x = 166,205,301,018,475,808
  5. Step 5: Solve for x
    x = 166,205,301,018,475,808/659,339,900.10
  6. Step 6: Final answer
    x = 252,078,330.15

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.