Home / 907,987,872.40-1,361,981,808.60-448,822,848.40

Finding the Fourth Proportional to 907,987,872.40, 1,361,981,808.60 and 448,822,848.40

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Solution

The fourth proportional to 907,987,872.40, 1,361,981,808.60 and 448,822,848.40 is: 673,234,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,987,872.40 : 1,361,981,808.60 = 448,822,848.40 : x
  2. Step 2: Convert to fraction form
    907,987,872.40/1,361,981,808.60 = 448,822,848.40/x
  3. Step 3: Cross multiply
    907,987,872.40x = 1,361,981,808.60 × 448,822,848.40
  4. Step 4: Simplify right side
    907,987,872.40x = 611,288,554,804,835,584
  5. Step 5: Solve for x
    x = 611,288,554,804,835,584/907,987,872.40
  6. Step 6: Final answer
    x = 673,234,272.60

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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.