Home / 614,839,488,928.90-848,505,166,015.78-340,485,141,395.40

Finding the Fourth Proportional to 614,839,488,928.90, 848,505,166,015.78 and 340,485,141,395.40

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Solution

The fourth proportional to 614,839,488,928.90, 848,505,166,015.78 and 340,485,141,395.40 is: 469,884,265,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,839,488,928.90 : 848,505,166,015.78 = 340,485,141,395.40 : x
  2. Step 2: Convert to fraction form
    614,839,488,928.90/848,505,166,015.78 = 340,485,141,395.40/x
  3. Step 3: Cross multiply
    614,839,488,928.90x = 848,505,166,015.78 × 340,485,141,395.40
  4. Step 4: Simplify right side
    614,839,488,928.90x = 288,903,401,425,610,242,785,280
  5. Step 5: Solve for x
    x = 288,903,401,425,610,242,785,280/614,839,488,928.90
  6. Step 6: Final answer
    x = 469,884,265,125.69

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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.