Home / 1,251,780,398.33-1,877,271,945.05-411,228,033.44

Finding the Fourth Proportional to 1,251,780,398.33, 1,877,271,945.05 and 411,228,033.44

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Solution

The fourth proportional to 1,251,780,398.33, 1,877,271,945.05 and 411,228,033.44 is: 616,711,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,780,398.33 : 1,877,271,945.05 = 411,228,033.44 : x
  2. Step 2: Convert to fraction form
    1,251,780,398.33/1,877,271,945.05 = 411,228,033.44/x
  3. Step 3: Cross multiply
    1,251,780,398.33x = 1,877,271,945.05 × 411,228,033.44
  4. Step 4: Simplify right side
    1,251,780,398.33x = 771,986,850,186,636,928
  5. Step 5: Solve for x
    x = 771,986,850,186,636,928/1,251,780,398.33
  6. Step 6: Final answer
    x = 616,711,087.04

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Double scale
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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.