Home / 12,106,887,605.20-18,160,331,407.80-9,658,007,477.20

Finding the Fourth Proportional to 12,106,887,605.20, 18,160,331,407.80 and 9,658,007,477.20

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Solution

The fourth proportional to 12,106,887,605.20, 18,160,331,407.80 and 9,658,007,477.20 is: 14,487,011,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106,887,605.20 : 18,160,331,407.80 = 9,658,007,477.20 : x
  2. Step 2: Convert to fraction form
    12,106,887,605.20/18,160,331,407.80 = 9,658,007,477.20/x
  3. Step 3: Cross multiply
    12,106,887,605.20x = 18,160,331,407.80 × 9,658,007,477.20
  4. Step 4: Simplify right side
    12,106,887,605.20x = 175,392,616,524,962,398,208
  5. Step 5: Solve for x
    x = 175,392,616,524,962,398,208/12,106,887,605.20
  6. Step 6: Final answer
    x = 14,487,011,215.80

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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.