Home / 958,081,954.40-1,322,170,316.88-561,890,699.36

Finding the Fourth Proportional to 958,081,954.40, 1,322,170,316.88 and 561,890,699.36

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Solution

The fourth proportional to 958,081,954.40, 1,322,170,316.88 and 561,890,699.36 is: 775,419,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,081,954.40 : 1,322,170,316.88 = 561,890,699.36 : x
  2. Step 2: Convert to fraction form
    958,081,954.40/1,322,170,316.88 = 561,890,699.36/x
  3. Step 3: Cross multiply
    958,081,954.40x = 1,322,170,316.88 × 561,890,699.36
  4. Step 4: Simplify right side
    958,081,954.40x = 742,915,204,024,736,128
  5. Step 5: Solve for x
    x = 742,915,204,024,736,128/958,081,954.40
  6. Step 6: Final answer
    x = 775,419,264.10

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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.