Home / 1,262,610,375.97-1,742,463,048.77-698,084,811.76

Finding the Fourth Proportional to 1,262,610,375.97, 1,742,463,048.77 and 698,084,811.76

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Solution

The fourth proportional to 1,262,610,375.97, 1,742,463,048.77 and 698,084,811.76 is: 963,390,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,610,375.97 : 1,742,463,048.77 = 698,084,811.76 : x
  2. Step 2: Convert to fraction form
    1,262,610,375.97/1,742,463,048.77 = 698,084,811.76/x
  3. Step 3: Cross multiply
    1,262,610,375.97x = 1,742,463,048.77 × 698,084,811.76
  4. Step 4: Simplify right side
    1,262,610,375.97x = 1,216,386,989,395,418,624
  5. Step 5: Solve for x
    x = 1,216,386,989,395,418,624/1,262,610,375.97
  6. Step 6: Final answer
    x = 963,390,617.21

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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.