Home / 1,320,145,453,226.70-1,980,215,708,048.90-413,652,657,500.48

Finding the Fourth Proportional to 1,320,145,453,226.70, 1,980,215,708,048.90 and 413,652,657,500.48

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Solution

The fourth proportional to 1,320,145,453,226.70, 1,980,215,708,048.90 and 413,652,657,500.48 is: 620,478,211,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,145,453,226.70 : 1,980,215,708,048.90 = 413,652,657,500.48 : x
  2. Step 2: Convert to fraction form
    1,320,145,453,226.70/1,980,215,708,048.90 = 413,652,657,500.48/x
  3. Step 3: Cross multiply
    1,320,145,453,226.70x = 1,980,215,708,048.90 × 413,652,657,500.48
  4. Step 4: Simplify right side
    1,320,145,453,226.70x = 819,121,490,058,622,074,355,712
  5. Step 5: Solve for x
    x = 819,121,490,058,622,074,355,712/1,320,145,453,226.70
  6. Step 6: Final answer
    x = 620,478,211,742.90

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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.