Home / 11,552,221,653.89-15,957,020,313.99-9,553,131,930.65

Finding the Fourth Proportional to 11,552,221,653.89, 15,957,020,313.99 and 9,553,131,930.65

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Solution

The fourth proportional to 11,552,221,653.89, 15,957,020,313.99 and 9,553,131,930.65 is: 13,195,688,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552,221,653.89 : 15,957,020,313.99 = 9,553,131,930.65 : x
  2. Step 2: Convert to fraction form
    11,552,221,653.89/15,957,020,313.99 = 9,553,131,930.65/x
  3. Step 3: Cross multiply
    11,552,221,653.89x = 15,957,020,313.99 × 9,553,131,930.65
  4. Step 4: Simplify right side
    11,552,221,653.89x = 152,439,520,279,528,767,488
  5. Step 5: Solve for x
    x = 152,439,520,279,528,767,488/11,552,221,653.89
  6. Step 6: Final answer
    x = 13,195,688,660.31

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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.