Home / 557,568,005.20-836,352,007.80-499,117,368.40

Finding the Fourth Proportional to 557,568,005.20, 836,352,007.80 and 499,117,368.40

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Solution

The fourth proportional to 557,568,005.20, 836,352,007.80 and 499,117,368.40 is: 748,676,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,568,005.20 : 836,352,007.80 = 499,117,368.40 : x
  2. Step 2: Convert to fraction form
    557,568,005.20/836,352,007.80 = 499,117,368.40/x
  3. Step 3: Cross multiply
    557,568,005.20x = 836,352,007.80 × 499,117,368.40
  4. Step 4: Simplify right side
    557,568,005.20x = 417,437,813,189,192,256
  5. Step 5: Solve for x
    x = 417,437,813,189,192,256/557,568,005.20
  6. Step 6: Final answer
    x = 748,676,052.60

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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.