Home / 448,141,010.40-672,211,515.60-407,964,070.80

Finding the Fourth Proportional to 448,141,010.40, 672,211,515.60 and 407,964,070.80

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Solution

The fourth proportional to 448,141,010.40, 672,211,515.60 and 407,964,070.80 is: 611,946,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,141,010.40 : 672,211,515.60 = 407,964,070.80 : x
  2. Step 2: Convert to fraction form
    448,141,010.40/672,211,515.60 = 407,964,070.80/x
  3. Step 3: Cross multiply
    448,141,010.40x = 672,211,515.60 × 407,964,070.80
  4. Step 4: Simplify right side
    448,141,010.40x = 274,238,146,342,813,728
  5. Step 5: Solve for x
    x = 274,238,146,342,813,728/448,141,010.40
  6. Step 6: Final answer
    x = 611,946,106.20

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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.