Home / 13,917,162,193.76-19,205,686,960.08-7,658,912,977.76

Finding the Fourth Proportional to 13,917,162,193.76, 19,205,686,960.08 and 7,658,912,977.76

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Solution

The fourth proportional to 13,917,162,193.76, 19,205,686,960.08 and 7,658,912,977.76 is: 10,569,301,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917,162,193.76 : 19,205,686,960.08 = 7,658,912,977.76 : x
  2. Step 2: Convert to fraction form
    13,917,162,193.76/19,205,686,960.08 = 7,658,912,977.76/x
  3. Step 3: Cross multiply
    13,917,162,193.76x = 19,205,686,960.08 × 7,658,912,977.76
  4. Step 4: Simplify right side
    13,917,162,193.76x = 147,094,685,105,352,736,768
  5. Step 5: Solve for x
    x = 147,094,685,105,352,736,768/13,917,162,193.76
  6. Step 6: Final answer
    x = 10,569,301,633.30

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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.