Home / 1,263,063,382.05-1,742,938,982.31-734,389,861.05

Finding the Fourth Proportional to 1,263,063,382.05, 1,742,938,982.31 and 734,389,861.05

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Solution

The fourth proportional to 1,263,063,382.05, 1,742,938,982.31 and 734,389,861.05 is: 1,013,406,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,063,382.05 : 1,742,938,982.31 = 734,389,861.05 : x
  2. Step 2: Convert to fraction form
    1,263,063,382.05/1,742,938,982.31 = 734,389,861.05/x
  3. Step 3: Cross multiply
    1,263,063,382.05x = 1,742,938,982.31 × 734,389,861.05
  4. Step 4: Simplify right side
    1,263,063,382.05x = 1,279,996,717,037,269,248
  5. Step 5: Solve for x
    x = 1,279,996,717,037,269,248/1,263,063,382.05
  6. Step 6: Final answer
    x = 1,013,406,559.98

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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.