Home / 646,335,007.60-969,502,511.40-449,064,108.40

Finding the Fourth Proportional to 646,335,007.60, 969,502,511.40 and 449,064,108.40

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Solution

The fourth proportional to 646,335,007.60, 969,502,511.40 and 449,064,108.40 is: 673,596,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,335,007.60 : 969,502,511.40 = 449,064,108.40 : x
  2. Step 2: Convert to fraction form
    646,335,007.60/969,502,511.40 = 449,064,108.40/x
  3. Step 3: Cross multiply
    646,335,007.60x = 969,502,511.40 × 449,064,108.40
  4. Step 4: Simplify right side
    646,335,007.60x = 435,368,780,873,401,792
  5. Step 5: Solve for x
    x = 435,368,780,873,401,792/646,335,007.60
  6. Step 6: Final answer
    x = 673,596,162.60

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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.