Home / 731,090,408.02-1,008,903,728.87-396,562,526.54

Finding the Fourth Proportional to 731,090,408.02, 1,008,903,728.87 and 396,562,526.54

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Solution

The fourth proportional to 731,090,408.02, 1,008,903,728.87 and 396,562,526.54 is: 547,255,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,090,408.02 : 1,008,903,728.87 = 396,562,526.54 : x
  2. Step 2: Convert to fraction form
    731,090,408.02/1,008,903,728.87 = 396,562,526.54/x
  3. Step 3: Cross multiply
    731,090,408.02x = 1,008,903,728.87 × 396,562,526.54
  4. Step 4: Simplify right side
    731,090,408.02x = 400,093,411,762,478,208
  5. Step 5: Solve for x
    x = 400,093,411,762,478,208/731,090,408.02
  6. Step 6: Final answer
    x = 547,255,725.66

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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.