Home / 748,128,941.15-1,032,373,566.92-413,581,512.48

Finding the Fourth Proportional to 748,128,941.15, 1,032,373,566.92 and 413,581,512.48

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Solution

The fourth proportional to 748,128,941.15, 1,032,373,566.92 and 413,581,512.48 is: 570,717,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,128,941.15 : 1,032,373,566.92 = 413,581,512.48 : x
  2. Step 2: Convert to fraction form
    748,128,941.15/1,032,373,566.92 = 413,581,512.48/x
  3. Step 3: Cross multiply
    748,128,941.15x = 1,032,373,566.92 × 413,581,512.48
  4. Step 4: Simplify right side
    748,128,941.15x = 426,970,621,249,078,208
  5. Step 5: Solve for x
    x = 426,970,621,249,078,208/748,128,941.15
  6. Step 6: Final answer
    x = 570,717,957.52

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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.