Home / 1,262,461,418.34-1,742,250,561.96-705,544,449

Finding the Fourth Proportional to 1,262,461,418.34, 1,742,250,561.96 and 705,544,449

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Solution

The fourth proportional to 1,262,461,418.34, 1,742,250,561.96 and 705,544,449 is: 973,681,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,461,418.34 : 1,742,250,561.96 = 705,544,449 : x
  2. Step 2: Convert to fraction form
    1,262,461,418.34/1,742,250,561.96 = 705,544,449/x
  3. Step 3: Cross multiply
    1,262,461,418.34x = 1,742,250,561.96 × 705,544,449
  4. Step 4: Simplify right side
    1,262,461,418.34x = 1,229,235,212,758,008,576
  5. Step 5: Solve for x
    x = 1,229,235,212,758,008,576/1,262,461,418.34
  6. Step 6: Final answer
    x = 973,681,409.11

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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.