Home / 940,161,390.20-1,410,242,085.30-572,288,161.40

Finding the Fourth Proportional to 940,161,390.20, 1,410,242,085.30 and 572,288,161.40

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Solution

The fourth proportional to 940,161,390.20, 1,410,242,085.30 and 572,288,161.40 is: 858,432,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,161,390.20 : 1,410,242,085.30 = 572,288,161.40 : x
  2. Step 2: Convert to fraction form
    940,161,390.20/1,410,242,085.30 = 572,288,161.40/x
  3. Step 3: Cross multiply
    940,161,390.20x = 1,410,242,085.30 × 572,288,161.40
  4. Step 4: Simplify right side
    940,161,390.20x = 807,064,850,125,238,912
  5. Step 5: Solve for x
    x = 807,064,850,125,238,912/940,161,390.20
  6. Step 6: Final answer
    x = 858,432,242.10

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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.