Home / 452,710,367.20-679,065,550.80-435,491,678.80

Finding the Fourth Proportional to 452,710,367.20, 679,065,550.80 and 435,491,678.80

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Solution

The fourth proportional to 452,710,367.20, 679,065,550.80 and 435,491,678.80 is: 653,237,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,710,367.20 : 679,065,550.80 = 435,491,678.80 : x
  2. Step 2: Convert to fraction form
    452,710,367.20/679,065,550.80 = 435,491,678.80/x
  3. Step 3: Cross multiply
    452,710,367.20x = 679,065,550.80 × 435,491,678.80
  4. Step 4: Simplify right side
    452,710,367.20x = 295,727,396,733,138,688
  5. Step 5: Solve for x
    x = 295,727,396,733,138,688/452,710,367.20
  6. Step 6: Final answer
    x = 653,237,518.20

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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.