Home / 540,349,037-745,682,308.86-292,830,391.24

Finding the Fourth Proportional to 540,349,037, 745,682,308.86 and 292,830,391.24

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Solution

The fourth proportional to 540,349,037, 745,682,308.86 and 292,830,391.24 is: 404,106,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,349,037 : 745,682,308.86 = 292,830,391.24 : x
  2. Step 2: Convert to fraction form
    540,349,037/745,682,308.86 = 292,830,391.24/x
  3. Step 3: Cross multiply
    540,349,037x = 745,682,308.86 × 292,830,391.24
  4. Step 4: Simplify right side
    540,349,037x = 218,358,442,244,220,320
  5. Step 5: Solve for x
    x = 218,358,442,244,220,320/540,349,037
  6. Step 6: Final answer
    x = 404,106,285.55

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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.