Home / 497,917,642.59-687,112,670.48-274,895,271.59

Finding the Fourth Proportional to 497,917,642.59, 687,112,670.48 and 274,895,271.59

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Solution

The fourth proportional to 497,917,642.59, 687,112,670.48 and 274,895,271.59 is: 379,347,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,917,642.59 : 687,112,670.48 = 274,895,271.59 : x
  2. Step 2: Convert to fraction form
    497,917,642.59/687,112,670.48 = 274,895,271.59/x
  3. Step 3: Cross multiply
    497,917,642.59x = 687,112,670.48 × 274,895,271.59
  4. Step 4: Simplify right side
    497,917,642.59x = 188,884,024,159,719,712
  5. Step 5: Solve for x
    x = 188,884,024,159,719,712/497,917,642.59
  6. Step 6: Final answer
    x = 379,347,924.24

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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.