Home / 3,117,479,159.76-4,302,086,990.94-1,688,514,715.81

Finding the Fourth Proportional to 3,117,479,159.76, 4,302,086,990.94 and 1,688,514,715.81

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Solution

The fourth proportional to 3,117,479,159.76, 4,302,086,990.94 and 1,688,514,715.81 is: 2,330,131,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,479,159.76 : 4,302,086,990.94 = 1,688,514,715.81 : x
  2. Step 2: Convert to fraction form
    3,117,479,159.76/4,302,086,990.94 = 1,688,514,715.81/x
  3. Step 3: Cross multiply
    3,117,479,159.76x = 4,302,086,990.94 × 1,688,514,715.81
  4. Step 4: Simplify right side
    3,117,479,159.76x = 7,264,137,192,896,951,296
  5. Step 5: Solve for x
    x = 7,264,137,192,896,951,296/3,117,479,159.76
  6. Step 6: Final answer
    x = 2,330,131,757.31

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1.5x scale

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.