Home / 789,528,164.79-1,184,473,873.90-264,966,876.13

Finding the Fourth Proportional to 789,528,164.79, 1,184,473,873.90 and 264,966,876.13

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Solution

The fourth proportional to 789,528,164.79, 1,184,473,873.90 and 264,966,876.13 is: 397,511,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,528,164.79 : 1,184,473,873.90 = 264,966,876.13 : x
  2. Step 2: Convert to fraction form
    789,528,164.79/1,184,473,873.90 = 264,966,876.13/x
  3. Step 3: Cross multiply
    789,528,164.79x = 1,184,473,873.90 × 264,966,876.13
  4. Step 4: Simplify right side
    789,528,164.79x = 313,846,342,219,630,272
  5. Step 5: Solve for x
    x = 313,846,342,219,630,272/789,528,164.79
  6. Step 6: Final answer
    x = 397,511,268.40

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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.