Home / 613,347,899,526.40-920,040,592,260.16-210,425,717,935.28

Finding the Fourth Proportional to 613,347,899,526.40, 920,040,592,260.16 and 210,425,717,935.28

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Solution

The fourth proportional to 613,347,899,526.40, 920,040,592,260.16 and 210,425,717,935.28 is: 315,645,007,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,347,899,526.40 : 920,040,592,260.16 = 210,425,717,935.28 : x
  2. Step 2: Convert to fraction form
    613,347,899,526.40/920,040,592,260.16 = 210,425,717,935.28/x
  3. Step 3: Cross multiply
    613,347,899,526.40x = 920,040,592,260.16 × 210,425,717,935.28
  4. Step 4: Simplify right side
    613,347,899,526.40x = 193,600,202,155,944,396,718,080
  5. Step 5: Solve for x
    x = 193,600,202,155,944,396,718,080/613,347,899,526.40
  6. Step 6: Final answer
    x = 315,645,007,189.94

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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.