Home / 706,638,630.15-1,059,467,095.73-312,950,926.31

Finding the Fourth Proportional to 706,638,630.15, 1,059,467,095.73 and 312,950,926.31

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Solution

The fourth proportional to 706,638,630.15, 1,059,467,095.73 and 312,950,926.31 is: 469,209,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,638,630.15 : 1,059,467,095.73 = 312,950,926.31 : x
  2. Step 2: Convert to fraction form
    706,638,630.15/1,059,467,095.73 = 312,950,926.31/x
  3. Step 3: Cross multiply
    706,638,630.15x = 1,059,467,095.73 × 312,950,926.31
  4. Step 4: Simplify right side
    706,638,630.15x = 331,561,208,999,153,984
  5. Step 5: Solve for x
    x = 331,561,208,999,153,984/706,638,630.15
  6. Step 6: Final answer
    x = 469,209,005.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.