Home / 540,349,076.23-745,682,362.89-292,830,430.48

Finding the Fourth Proportional to 540,349,076.23, 745,682,362.89 and 292,830,430.48

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Solution

The fourth proportional to 540,349,076.23, 745,682,362.89 and 292,830,430.48 is: 404,106,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,349,076.23 : 745,682,362.89 = 292,830,430.48 : x
  2. Step 2: Convert to fraction form
    540,349,076.23/745,682,362.89 = 292,830,430.48/x
  3. Step 3: Cross multiply
    540,349,076.23x = 745,682,362.89 × 292,830,430.48
  4. Step 4: Simplify right side
    540,349,076.23x = 218,358,487,326,422,272
  5. Step 5: Solve for x
    x = 218,358,487,326,422,272/540,349,076.23
  6. Step 6: Final answer
    x = 404,106,339.65

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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.