Home / 560,505,140.40-840,757,710.60-557,276,636.33

Finding the Fourth Proportional to 560,505,140.40, 840,757,710.60 and 557,276,636.33

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Solution

The fourth proportional to 560,505,140.40, 840,757,710.60 and 557,276,636.33 is: 835,914,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,505,140.40 : 840,757,710.60 = 557,276,636.33 : x
  2. Step 2: Convert to fraction form
    560,505,140.40/840,757,710.60 = 557,276,636.33/x
  3. Step 3: Cross multiply
    560,505,140.40x = 840,757,710.60 × 557,276,636.33
  4. Step 4: Simplify right side
    560,505,140.40x = 468,534,628,927,475,840
  5. Step 5: Solve for x
    x = 468,534,628,927,475,840/560,505,140.40
  6. Step 6: Final answer
    x = 835,914,954.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.