Home / 526,771,637-789,989,979.90-492,382,004.84

Finding the Fourth Proportional to 526,771,637, 789,989,979.90 and 492,382,004.84

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Solution

The fourth proportional to 526,771,637, 789,989,979.90 and 492,382,004.84 is: 738,416,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,771,637 : 789,989,979.90 = 492,382,004.84 : x
  2. Step 2: Convert to fraction form
    526,771,637/789,989,979.90 = 492,382,004.84/x
  3. Step 3: Cross multiply
    526,771,637x = 789,989,979.90 × 492,382,004.84
  4. Step 4: Simplify right side
    526,771,637x = 388,976,850,106,673,280
  5. Step 5: Solve for x
    x = 388,976,850,106,673,280/526,771,637
  6. Step 6: Final answer
    x = 738,416,465.10

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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.