Home / 495,707,655.45-684,072,781.74-272,684,534.79

Finding the Fourth Proportional to 495,707,655.45, 684,072,781.74 and 272,684,534.79

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Solution

The fourth proportional to 495,707,655.45, 684,072,781.74 and 272,684,534.79 is: 376,302,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,707,655.45 : 684,072,781.74 = 272,684,534.79 : x
  2. Step 2: Convert to fraction form
    495,707,655.45/684,072,781.74 = 272,684,534.79/x
  3. Step 3: Cross multiply
    495,707,655.45x = 684,072,781.74 × 272,684,534.79
  4. Step 4: Simplify right side
    495,707,655.45x = 186,536,068,251,273,120
  5. Step 5: Solve for x
    x = 186,536,068,251,273,120/495,707,655.45
  6. Step 6: Final answer
    x = 376,302,577.13

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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.