Home / 1,786,258,171.19-2,679,692,510.59-736,422,481.47

Finding the Fourth Proportional to 1,786,258,171.19, 2,679,692,510.59 and 736,422,481.47

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Solution

The fourth proportional to 1,786,258,171.19, 2,679,692,510.59 and 736,422,481.47 is: 1,104,759,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,258,171.19 : 2,679,692,510.59 = 736,422,481.47 : x
  2. Step 2: Convert to fraction form
    1,786,258,171.19/2,679,692,510.59 = 736,422,481.47/x
  3. Step 3: Cross multiply
    1,786,258,171.19x = 2,679,692,510.59 × 736,422,481.47
  4. Step 4: Simplify right side
    1,786,258,171.19x = 1,973,385,808,225,262,336
  5. Step 5: Solve for x
    x = 1,973,385,808,225,262,336/1,786,258,171.19
  6. Step 6: Final answer
    x = 1,104,759,569.50

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Double scale
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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.