Home / 1,786,972,354.40-2,680,458,531.60-1,327,807,330.40

Finding the Fourth Proportional to 1,786,972,354.40, 2,680,458,531.60 and 1,327,807,330.40

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Solution

The fourth proportional to 1,786,972,354.40, 2,680,458,531.60 and 1,327,807,330.40 is: 1,991,710,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,972,354.40 : 2,680,458,531.60 = 1,327,807,330.40 : x
  2. Step 2: Convert to fraction form
    1,786,972,354.40/2,680,458,531.60 = 1,327,807,330.40/x
  3. Step 3: Cross multiply
    1,786,972,354.40x = 2,680,458,531.60 × 1,327,807,330.40
  4. Step 4: Simplify right side
    1,786,972,354.40x = 3,559,132,487,091,700,224
  5. Step 5: Solve for x
    x = 3,559,132,487,091,700,224/1,786,972,354.40
  6. Step 6: Final answer
    x = 1,991,710,995.60

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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.