Home / 711,468,579,845.20-981,799,102,983.68-386,300,429,269.86

Finding the Fourth Proportional to 711,468,579,845.20, 981,799,102,983.68 and 386,300,429,269.86

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Solution

The fourth proportional to 711,468,579,845.20, 981,799,102,983.68 and 386,300,429,269.86 is: 533,079,640,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,468,579,845.20 : 981,799,102,983.68 = 386,300,429,269.86 : x
  2. Step 2: Convert to fraction form
    711,468,579,845.20/981,799,102,983.68 = 386,300,429,269.86/x
  3. Step 3: Cross multiply
    711,468,579,845.20x = 981,799,102,983.68 × 386,300,429,269.86
  4. Step 4: Simplify right side
    711,468,579,845.20x = 379,269,414,939,359,075,893,248
  5. Step 5: Solve for x
    x = 379,269,414,939,359,075,893,248/711,468,579,845.20
  6. Step 6: Final answer
    x = 533,079,640,736.74

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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.