Home / 505,428,646.77-758,189,237.36-141,920,553.33

Finding the Fourth Proportional to 505,428,646.77, 758,189,237.36 and 141,920,553.33

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Solution

The fourth proportional to 505,428,646.77, 758,189,237.36 and 141,920,553.33 is: 212,893,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,428,646.77 : 758,189,237.36 = 141,920,553.33 : x
  2. Step 2: Convert to fraction form
    505,428,646.77/758,189,237.36 = 141,920,553.33/x
  3. Step 3: Cross multiply
    505,428,646.77x = 758,189,237.36 × 141,920,553.33
  4. Step 4: Simplify right side
    505,428,646.77x = 107,602,636,094,272,320
  5. Step 5: Solve for x
    x = 107,602,636,094,272,320/505,428,646.77
  6. Step 6: Final answer
    x = 212,893,821.48

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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.