Home / 1,310,496,945.24-1,966,021,495.14-425,113,171.82

Finding the Fourth Proportional to 1,310,496,945.24, 1,966,021,495.14 and 425,113,171.82

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Solution

The fourth proportional to 1,310,496,945.24, 1,966,021,495.14 and 425,113,171.82 is: 637,759,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,496,945.24 : 1,966,021,495.14 = 425,113,171.82 : x
  2. Step 2: Convert to fraction form
    1,310,496,945.24/1,966,021,495.14 = 425,113,171.82/x
  3. Step 3: Cross multiply
    1,310,496,945.24x = 1,966,021,495.14 × 425,113,171.82
  4. Step 4: Simplify right side
    1,310,496,945.24x = 835,781,633,655,433,984
  5. Step 5: Solve for x
    x = 835,781,633,655,433,984/1,310,496,945.24
  6. Step 6: Final answer
    x = 637,759,314.66

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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.