Home / 890,045,627.76-1,228,260,992.76-493,558,818.48

Finding the Fourth Proportional to 890,045,627.76, 1,228,260,992.76 and 493,558,818.48

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Solution

The fourth proportional to 890,045,627.76, 1,228,260,992.76 and 493,558,818.48 is: 681,110,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,045,627.76 : 1,228,260,992.76 = 493,558,818.48 : x
  2. Step 2: Convert to fraction form
    890,045,627.76/1,228,260,992.76 = 493,558,818.48/x
  3. Step 3: Cross multiply
    890,045,627.76x = 1,228,260,992.76 × 493,558,818.48
  4. Step 4: Simplify right side
    890,045,627.76x = 606,219,044,371,697,408
  5. Step 5: Solve for x
    x = 606,219,044,371,697,408/890,045,627.76
  6. Step 6: Final answer
    x = 681,110,075.11

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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.