Home / 12,409,653,330.62-17,105,316,155.92-8,393,859,108.18

Finding the Fourth Proportional to 12,409,653,330.62, 17,105,316,155.92 and 8,393,859,108.18

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Solution

The fourth proportional to 12,409,653,330.62, 17,105,316,155.92 and 8,393,859,108.18 is: 11,569,993,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409,653,330.62 : 17,105,316,155.92 = 8,393,859,108.18 : x
  2. Step 2: Convert to fraction form
    12,409,653,330.62/17,105,316,155.92 = 8,393,859,108.18/x
  3. Step 3: Cross multiply
    12,409,653,330.62x = 17,105,316,155.92 × 8,393,859,108.18
  4. Step 4: Simplify right side
    12,409,653,330.62x = 143,579,613,813,667,610,624
  5. Step 5: Solve for x
    x = 143,579,613,813,667,610,624/12,409,653,330.62
  6. Step 6: Final answer
    x = 11,569,993,938.46

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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.