Home / 783,957,548.24-1,081,887,967.32-426,738,355.55

Finding the Fourth Proportional to 783,957,548.24, 1,081,887,967.32 and 426,738,355.55

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Solution

The fourth proportional to 783,957,548.24, 1,081,887,967.32 and 426,738,355.55 is: 588,913,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,957,548.24 : 1,081,887,967.32 = 426,738,355.55 : x
  2. Step 2: Convert to fraction form
    783,957,548.24/1,081,887,967.32 = 426,738,355.55/x
  3. Step 3: Cross multiply
    783,957,548.24x = 1,081,887,967.32 × 426,738,355.55
  4. Step 4: Simplify right side
    783,957,548.24x = 461,683,092,058,059,520
  5. Step 5: Solve for x
    x = 461,683,092,058,059,520/783,957,548.24
  6. Step 6: Final answer
    x = 588,913,383.25

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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.