Home / 1,237,529,780,705.20-1,707,791,179,484.40-688,809,309,820.72

Finding the Fourth Proportional to 1,237,529,780,705.20, 1,707,791,179,484.40 and 688,809,309,820.72

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Solution

The fourth proportional to 1,237,529,780,705.20, 1,707,791,179,484.40 and 688,809,309,820.72 is: 950,556,893,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,529,780,705.20 : 1,707,791,179,484.40 = 688,809,309,820.72 : x
  2. Step 2: Convert to fraction form
    1,237,529,780,705.20/1,707,791,179,484.40 = 688,809,309,820.72/x
  3. Step 3: Cross multiply
    1,237,529,780,705.20x = 1,707,791,179,484.40 × 688,809,309,820.72
  4. Step 4: Simplify right side
    1,237,529,780,705.20x = 1,176,342,463,658,562,743,697,408
  5. Step 5: Solve for x
    x = 1,176,342,463,658,562,743,697,408/1,237,529,780,705.20
  6. Step 6: Final answer
    x = 950,556,893,255.72

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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.