Home / 3,868,243,123.11-5,338,143,420.60-2,174,705,316.90

Finding the Fourth Proportional to 3,868,243,123.11, 5,338,143,420.60 and 2,174,705,316.90

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Solution

The fourth proportional to 3,868,243,123.11, 5,338,143,420.60 and 2,174,705,316.90 is: 3,001,075,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,243,123.11 : 5,338,143,420.60 = 2,174,705,316.90 : x
  2. Step 2: Convert to fraction form
    3,868,243,123.11/5,338,143,420.60 = 2,174,705,316.90/x
  3. Step 3: Cross multiply
    3,868,243,123.11x = 5,338,143,420.60 × 2,174,705,316.90
  4. Step 4: Simplify right side
    3,868,243,123.11x = 11,608,888,879,143,311,360
  5. Step 5: Solve for x
    x = 11,608,888,879,143,311,360/3,868,243,123.11
  6. Step 6: Final answer
    x = 3,001,075,296.89

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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.