Home / 920,761,291.24-1,270,635,753.06-503,064,607.72

Finding the Fourth Proportional to 920,761,291.24, 1,270,635,753.06 and 503,064,607.72

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Solution

The fourth proportional to 920,761,291.24, 1,270,635,753.06 and 503,064,607.72 is: 694,221,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,761,291.24 : 1,270,635,753.06 = 503,064,607.72 : x
  2. Step 2: Convert to fraction form
    920,761,291.24/1,270,635,753.06 = 503,064,607.72/x
  3. Step 3: Cross multiply
    920,761,291.24x = 1,270,635,753.06 × 503,064,607.72
  4. Step 4: Simplify right side
    920,761,291.24x = 639,211,876,668,135,680
  5. Step 5: Solve for x
    x = 639,211,876,668,135,680/920,761,291.24
  6. Step 6: Final answer
    x = 694,221,056.80

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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.