Home / 448,439,270.40-672,658,905.60-206,574,566.40

Finding the Fourth Proportional to 448,439,270.40, 672,658,905.60 and 206,574,566.40

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Solution

The fourth proportional to 448,439,270.40, 672,658,905.60 and 206,574,566.40 is: 309,861,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,439,270.40 : 672,658,905.60 = 206,574,566.40 : x
  2. Step 2: Convert to fraction form
    448,439,270.40/672,658,905.60 = 206,574,566.40/x
  3. Step 3: Cross multiply
    448,439,270.40x = 672,658,905.60 × 206,574,566.40
  4. Step 4: Simplify right side
    448,439,270.40x = 138,954,221,759,418,544
  5. Step 5: Solve for x
    x = 138,954,221,759,418,544/448,439,270.40
  6. Step 6: Final answer
    x = 309,861,849.60

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1.5x scale

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.