Home / 1,293,211,613.80-1,939,817,420.70-885,064,925.80

Finding the Fourth Proportional to 1,293,211,613.80, 1,939,817,420.70 and 885,064,925.80

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Solution

The fourth proportional to 1,293,211,613.80, 1,939,817,420.70 and 885,064,925.80 is: 1,327,597,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,211,613.80 : 1,939,817,420.70 = 885,064,925.80 : x
  2. Step 2: Convert to fraction form
    1,293,211,613.80/1,939,817,420.70 = 885,064,925.80/x
  3. Step 3: Cross multiply
    1,293,211,613.80x = 1,939,817,420.70 × 885,064,925.80
  4. Step 4: Simplify right side
    1,293,211,613.80x = 1,716,864,361,517,392,896
  5. Step 5: Solve for x
    x = 1,716,864,361,517,392,896/1,293,211,613.80
  6. Step 6: Final answer
    x = 1,327,597,388.70

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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.