Home / 808,282,100.68-1,115,429,521.12-446,176,283.56

Finding the Fourth Proportional to 808,282,100.68, 1,115,429,521.12 and 446,176,283.56

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Solution

The fourth proportional to 808,282,100.68, 1,115,429,521.12 and 446,176,283.56 is: 615,723,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,282,100.68 : 1,115,429,521.12 = 446,176,283.56 : x
  2. Step 2: Convert to fraction form
    808,282,100.68/1,115,429,521.12 = 446,176,283.56/x
  3. Step 3: Cross multiply
    808,282,100.68x = 1,115,429,521.12 × 446,176,283.56
  4. Step 4: Simplify right side
    808,282,100.68x = 497,678,198,306,432,064
  5. Step 5: Solve for x
    x = 497,678,198,306,432,064/808,282,100.68
  6. Step 6: Final answer
    x = 615,723,393.96

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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.