Home / 933,690,458.56-1,288,496,835.12-510,312,647.20

Finding the Fourth Proportional to 933,690,458.56, 1,288,496,835.12 and 510,312,647.20

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Solution

The fourth proportional to 933,690,458.56, 1,288,496,835.12 and 510,312,647.20 is: 704,233,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,690,458.56 : 1,288,496,835.12 = 510,312,647.20 : x
  2. Step 2: Convert to fraction form
    933,690,458.56/1,288,496,835.12 = 510,312,647.20/x
  3. Step 3: Cross multiply
    933,690,458.56x = 1,288,496,835.12 × 510,312,647.20
  4. Step 4: Simplify right side
    933,690,458.56x = 657,536,230,838,909,056
  5. Step 5: Solve for x
    x = 657,536,230,838,909,056/933,690,458.56
  6. Step 6: Final answer
    x = 704,233,640.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.