Home / 3,868,243,123.23-5,338,143,420.77-2,174,705,317.02

Finding the Fourth Proportional to 3,868,243,123.23, 5,338,143,420.77 and 2,174,705,317.02

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Solution

The fourth proportional to 3,868,243,123.23, 5,338,143,420.77 and 2,174,705,317.02 is: 3,001,075,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,243,123.23 : 5,338,143,420.77 = 2,174,705,317.02 : x
  2. Step 2: Convert to fraction form
    3,868,243,123.23/5,338,143,420.77 = 2,174,705,317.02/x
  3. Step 3: Cross multiply
    3,868,243,123.23x = 5,338,143,420.77 × 2,174,705,317.02
  4. Step 4: Simplify right side
    3,868,243,123.23x = 11,608,888,880,185,776,128
  5. Step 5: Solve for x
    x = 11,608,888,880,185,776,128/3,868,243,123.23
  6. Step 6: Final answer
    x = 3,001,075,297.07

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Double scale
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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.