Home / 1,136,664,123.30-1,568,596,476.44-615,143,355.30

Finding the Fourth Proportional to 1,136,664,123.30, 1,568,596,476.44 and 615,143,355.30

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Solution

The fourth proportional to 1,136,664,123.30, 1,568,596,476.44 and 615,143,355.30 is: 848,897,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,664,123.30 : 1,568,596,476.44 = 615,143,355.30 : x
  2. Step 2: Convert to fraction form
    1,136,664,123.30/1,568,596,476.44 = 615,143,355.30/x
  3. Step 3: Cross multiply
    1,136,664,123.30x = 1,568,596,476.44 × 615,143,355.30
  4. Step 4: Simplify right side
    1,136,664,123.30x = 964,911,699,629,058,944
  5. Step 5: Solve for x
    x = 964,911,699,629,058,944/1,136,664,123.30
  6. Step 6: Final answer
    x = 848,897,822.89

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Double scale
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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.