Home / 920,761,741.44-1,270,636,187.04-503,065,036.80

Finding the Fourth Proportional to 920,761,741.44, 1,270,636,187.04 and 503,065,036.80

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Solution

The fourth proportional to 920,761,741.44, 1,270,636,187.04 and 503,065,036.80 is: 694,221,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,761,741.44 : 1,270,636,187.04 = 503,065,036.80 : x
  2. Step 2: Convert to fraction form
    920,761,741.44/1,270,636,187.04 = 503,065,036.80/x
  3. Step 3: Cross multiply
    920,761,741.44x = 1,270,636,187.04 × 503,065,036.80
  4. Step 4: Simplify right side
    920,761,741.44x = 639,212,640,192,689,280
  5. Step 5: Solve for x
    x = 639,212,640,192,689,280/920,761,741.44
  6. Step 6: Final answer
    x = 694,221,546.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.