Home / 1,263,063,633.05-1,742,939,328.88-734,390,112.26

Finding the Fourth Proportional to 1,263,063,633.05, 1,742,939,328.88 and 734,390,112.26

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Solution

The fourth proportional to 1,263,063,633.05, 1,742,939,328.88 and 734,390,112.26 is: 1,013,406,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,063,633.05 : 1,742,939,328.88 = 734,390,112.26 : x
  2. Step 2: Convert to fraction form
    1,263,063,633.05/1,742,939,328.88 = 734,390,112.26/x
  3. Step 3: Cross multiply
    1,263,063,633.05x = 1,742,939,328.88 × 734,390,112.26
  4. Step 4: Simplify right side
    1,263,063,633.05x = 1,279,997,409,398,552,320
  5. Step 5: Solve for x
    x = 1,279,997,409,398,552,320/1,263,063,633.05
  6. Step 6: Final answer
    x = 1,013,406,906.75

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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.