Home / 1,176,606,009.40-1,760,374,050.90-768,459,321.40

Finding the Fourth Proportional to 1,176,606,009.40, 1,760,374,050.90 and 768,459,321.40

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Solution

The fourth proportional to 1,176,606,009.40, 1,760,374,050.90 and 768,459,321.40 is: 1,149,727,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,606,009.40 : 1,760,374,050.90 = 768,459,321.40 : x
  2. Step 2: Convert to fraction form
    1,176,606,009.40/1,760,374,050.90 = 768,459,321.40/x
  3. Step 3: Cross multiply
    1,176,606,009.40x = 1,760,374,050.90 × 768,459,321.40
  4. Step 4: Simplify right side
    1,176,606,009.40x = 1,352,775,848,564,783,104
  5. Step 5: Solve for x
    x = 1,352,775,848,564,783,104/1,176,606,009.40
  6. Step 6: Final answer
    x = 1,149,727,128.50

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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.