Home / 920,761,297.74-1,270,635,762.03-503,064,614.22

Finding the Fourth Proportional to 920,761,297.74, 1,270,635,762.03 and 503,064,614.22

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Solution

The fourth proportional to 920,761,297.74, 1,270,635,762.03 and 503,064,614.22 is: 694,221,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,761,297.74 : 1,270,635,762.03 = 503,064,614.22 : x
  2. Step 2: Convert to fraction form
    920,761,297.74/1,270,635,762.03 = 503,064,614.22/x
  3. Step 3: Cross multiply
    920,761,297.74x = 1,270,635,762.03 × 503,064,614.22
  4. Step 4: Simplify right side
    920,761,297.74x = 639,211,889,439,757,696
  5. Step 5: Solve for x
    x = 639,211,889,439,757,696/920,761,297.74
  6. Step 6: Final answer
    x = 694,221,065.77

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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.