Home / 880,000,234.40-1,320,159,783.90-442,199,138.60

Finding the Fourth Proportional to 880,000,234.40, 1,320,159,783.90 and 442,199,138.60

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Solution

The fourth proportional to 880,000,234.40, 1,320,159,783.90 and 442,199,138.60 is: 663,378,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,000,234.40 : 1,320,159,783.90 = 442,199,138.60 : x
  2. Step 2: Convert to fraction form
    880,000,234.40/1,320,159,783.90 = 442,199,138.60/x
  3. Step 3: Cross multiply
    880,000,234.40x = 1,320,159,783.90 × 442,199,138.60
  4. Step 4: Simplify right side
    880,000,234.40x = 583,773,519,254,942,208
  5. Step 5: Solve for x
    x = 583,773,519,254,942,208/880,000,234.40
  6. Step 6: Final answer
    x = 663,378,822.45

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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.