Home / 12,591,592,571.16-17,370,121,607.64-7,507,370,794.68

Finding the Fourth Proportional to 12,591,592,571.16, 17,370,121,607.64 and 7,507,370,794.68

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Solution

The fourth proportional to 12,591,592,571.16, 17,370,121,607.64 and 7,507,370,794.68 is: 10,356,429,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,592,571.16 : 17,370,121,607.64 = 7,507,370,794.68 : x
  2. Step 2: Convert to fraction form
    12,591,592,571.16/17,370,121,607.64 = 7,507,370,794.68/x
  3. Step 3: Cross multiply
    12,591,592,571.16x = 17,370,121,607.64 × 7,507,370,794.68
  4. Step 4: Simplify right side
    12,591,592,571.16x = 130,403,943,657,236,545,536
  5. Step 5: Solve for x
    x = 130,403,943,657,236,545,536/12,591,592,571.16
  6. Step 6: Final answer
    x = 10,356,429,730.42

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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.