Home / 702,939,117.02-970,055,966.07-389,672,537.18

Finding the Fourth Proportional to 702,939,117.02, 970,055,966.07 and 389,672,537.18

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Solution

The fourth proportional to 702,939,117.02, 970,055,966.07 and 389,672,537.18 is: 537,748,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,939,117.02 : 970,055,966.07 = 389,672,537.18 : x
  2. Step 2: Convert to fraction form
    702,939,117.02/970,055,966.07 = 389,672,537.18/x
  3. Step 3: Cross multiply
    702,939,117.02x = 970,055,966.07 × 389,672,537.18
  4. Step 4: Simplify right side
    702,939,117.02x = 378,004,169,505,092,928
  5. Step 5: Solve for x
    x = 378,004,169,505,092,928/702,939,117.02
  6. Step 6: Final answer
    x = 537,748,092.76

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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.