Home / 540,349,074.23-745,682,360.13-292,830,428.48

Finding the Fourth Proportional to 540,349,074.23, 745,682,360.13 and 292,830,428.48

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Solution

The fourth proportional to 540,349,074.23, 745,682,360.13 and 292,830,428.48 is: 404,106,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,349,074.23 : 745,682,360.13 = 292,830,428.48 : x
  2. Step 2: Convert to fraction form
    540,349,074.23/745,682,360.13 = 292,830,428.48/x
  3. Step 3: Cross multiply
    540,349,074.23x = 745,682,360.13 × 292,830,428.48
  4. Step 4: Simplify right side
    540,349,074.23x = 218,358,485,023,117,184
  5. Step 5: Solve for x
    x = 218,358,485,023,117,184/540,349,074.23
  6. Step 6: Final answer
    x = 404,106,336.88

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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.