Home / 826,592,009.54-1,239,889,720.18-776,083,856.90

Finding the Fourth Proportional to 826,592,009.54, 1,239,889,720.18 and 776,083,856.90

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Solution

The fourth proportional to 826,592,009.54, 1,239,889,720.18 and 776,083,856.90 is: 1,164,127,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,592,009.54 : 1,239,889,720.18 = 776,083,856.90 : x
  2. Step 2: Convert to fraction form
    826,592,009.54/1,239,889,720.18 = 776,083,856.90/x
  3. Step 3: Cross multiply
    826,592,009.54x = 1,239,889,720.18 × 776,083,856.90
  4. Step 4: Simplify right side
    826,592,009.54x = 962,258,396,167,956,224
  5. Step 5: Solve for x
    x = 962,258,396,167,956,224/826,592,009.54
  6. Step 6: Final answer
    x = 1,164,127,386.98

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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.