Home / 706,638,630.17-1,059,467,095.76-312,950,926.35

Finding the Fourth Proportional to 706,638,630.17, 1,059,467,095.76 and 312,950,926.35

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Solution

The fourth proportional to 706,638,630.17, 1,059,467,095.76 and 312,950,926.35 is: 469,209,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,638,630.17 : 1,059,467,095.76 = 312,950,926.35 : x
  2. Step 2: Convert to fraction form
    706,638,630.17/1,059,467,095.76 = 312,950,926.35/x
  3. Step 3: Cross multiply
    706,638,630.17x = 1,059,467,095.76 × 312,950,926.35
  4. Step 4: Simplify right side
    706,638,630.17x = 331,561,209,053,871,424
  5. Step 5: Solve for x
    x = 331,561,209,053,871,424/706,638,630.17
  6. Step 6: Final answer
    x = 469,209,005.70

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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.