Home / 495,707,658.45-684,072,785.88-272,684,537.79

Finding the Fourth Proportional to 495,707,658.45, 684,072,785.88 and 272,684,537.79

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Solution

The fourth proportional to 495,707,658.45, 684,072,785.88 and 272,684,537.79 is: 376,302,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,707,658.45 : 684,072,785.88 = 272,684,537.79 : x
  2. Step 2: Convert to fraction form
    495,707,658.45/684,072,785.88 = 272,684,537.79/x
  3. Step 3: Cross multiply
    495,707,658.45x = 684,072,785.88 × 272,684,537.79
  4. Step 4: Simplify right side
    495,707,658.45x = 186,536,071,432,405,440
  5. Step 5: Solve for x
    x = 186,536,071,432,405,440/495,707,658.45
  6. Step 6: Final answer
    x = 376,302,581.27

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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.