Home / 497,387,290.08-686,382,339-274,364,088.62

Finding the Fourth Proportional to 497,387,290.08, 686,382,339 and 274,364,088.62

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Solution

The fourth proportional to 497,387,290.08, 686,382,339 and 274,364,088.62 is: 378,615,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,387,290.08 : 686,382,339 = 274,364,088.62 : x
  2. Step 2: Convert to fraction form
    497,387,290.08/686,382,339 = 274,364,088.62/x
  3. Step 3: Cross multiply
    497,387,290.08x = 686,382,339 × 274,364,088.62
  4. Step 4: Simplify right side
    497,387,290.08x = 188,318,664,884,598,880
  5. Step 5: Solve for x
    x = 188,318,664,884,598,880/497,387,290.08
  6. Step 6: Final answer
    x = 378,615,756.05

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Why These Related Problems?

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