Home / 623,884,260.88-860,987,184.12-345,425,784.64

Finding the Fourth Proportional to 623,884,260.88, 860,987,184.12 and 345,425,784.64

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Solution

The fourth proportional to 623,884,260.88, 860,987,184.12 and 345,425,784.64 is: 476,702,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,884,260.88 : 860,987,184.12 = 345,425,784.64 : x
  2. Step 2: Convert to fraction form
    623,884,260.88/860,987,184.12 = 345,425,784.64/x
  3. Step 3: Cross multiply
    623,884,260.88x = 860,987,184.12 × 345,425,784.64
  4. Step 4: Simplify right side
    623,884,260.88x = 297,407,173,639,635,136
  5. Step 5: Solve for x
    x = 297,407,173,639,635,136/623,884,260.88
  6. Step 6: Final answer
    x = 476,702,478.79

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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.