Home / 12,106,887,511.70-18,160,331,267.55-9,658,007,383.70

Finding the Fourth Proportional to 12,106,887,511.70, 18,160,331,267.55 and 9,658,007,383.70

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Solution

The fourth proportional to 12,106,887,511.70, 18,160,331,267.55 and 9,658,007,383.70 is: 14,487,011,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106,887,511.70 : 18,160,331,267.55 = 9,658,007,383.70 : x
  2. Step 2: Convert to fraction form
    12,106,887,511.70/18,160,331,267.55 = 9,658,007,383.70/x
  3. Step 3: Cross multiply
    12,106,887,511.70x = 18,160,331,267.55 × 9,658,007,383.70
  4. Step 4: Simplify right side
    12,106,887,511.70x = 175,392,613,472,435,896,320
  5. Step 5: Solve for x
    x = 175,392,613,472,435,896,320/12,106,887,511.70
  6. Step 6: Final answer
    x = 14,487,011,075.55

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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.