Home / 723,532,515.10-1,085,298,772.65-448,033,500.70

Finding the Fourth Proportional to 723,532,515.10, 1,085,298,772.65 and 448,033,500.70

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Solution

The fourth proportional to 723,532,515.10, 1,085,298,772.65 and 448,033,500.70 is: 672,050,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,532,515.10 : 1,085,298,772.65 = 448,033,500.70 : x
  2. Step 2: Convert to fraction form
    723,532,515.10/1,085,298,772.65 = 448,033,500.70/x
  3. Step 3: Cross multiply
    723,532,515.10x = 1,085,298,772.65 × 448,033,500.70
  4. Step 4: Simplify right side
    723,532,515.10x = 486,250,208,415,792,960
  5. Step 5: Solve for x
    x = 486,250,208,415,792,960/723,532,515.10
  6. Step 6: Final answer
    x = 672,050,251.05

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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.