Home / 733,411,510.80-1,100,117,266.20-442,128,698.70

Finding the Fourth Proportional to 733,411,510.80, 1,100,117,266.20 and 442,128,698.70

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Solution

The fourth proportional to 733,411,510.80, 1,100,117,266.20 and 442,128,698.70 is: 663,193,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,411,510.80 : 1,100,117,266.20 = 442,128,698.70 : x
  2. Step 2: Convert to fraction form
    733,411,510.80/1,100,117,266.20 = 442,128,698.70/x
  3. Step 3: Cross multiply
    733,411,510.80x = 1,100,117,266.20 × 442,128,698.70
  4. Step 4: Simplify right side
    733,411,510.80x = 486,393,415,322,407,488
  5. Step 5: Solve for x
    x = 486,393,415,322,407,488/733,411,510.80
  6. Step 6: Final answer
    x = 663,193,048.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.