Home / 539,201,978,771.88-743,740,443,267.78-346,757,457,545.64

Finding the Fourth Proportional to 539,201,978,771.88, 743,740,443,267.78 and 346,757,457,545.64

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Solution

The fourth proportional to 539,201,978,771.88, 743,740,443,267.78 and 346,757,457,545.64 is: 478,294,878,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,201,978,771.88 : 743,740,443,267.78 = 346,757,457,545.64 : x
  2. Step 2: Convert to fraction form
    539,201,978,771.88/743,740,443,267.78 = 346,757,457,545.64/x
  3. Step 3: Cross multiply
    539,201,978,771.88x = 743,740,443,267.78 × 346,757,457,545.64
  4. Step 4: Simplify right side
    539,201,978,771.88x = 257,897,545,181,402,731,905,024
  5. Step 5: Solve for x
    x = 257,897,545,181,402,731,905,024/539,201,978,771.88
  6. Step 6: Final answer
    x = 478,294,878,978.02

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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.