Home / 1,861,956,839.67-2,793,222,237.65-634,838,313.03

Finding the Fourth Proportional to 1,861,956,839.67, 2,793,222,237.65 and 634,838,313.03

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Solution

The fourth proportional to 1,861,956,839.67, 2,793,222,237.65 and 634,838,313.03 is: 952,355,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,956,839.67 : 2,793,222,237.65 = 634,838,313.03 : x
  2. Step 2: Convert to fraction form
    1,861,956,839.67/2,793,222,237.65 = 634,838,313.03/x
  3. Step 3: Cross multiply
    1,861,956,839.67x = 2,793,222,237.65 × 634,838,313.03
  4. Step 4: Simplify right side
    1,861,956,839.67x = 1,773,244,493,264,433,408
  5. Step 5: Solve for x
    x = 1,773,244,493,264,433,408/1,861,956,839.67
  6. Step 6: Final answer
    x = 952,355,315.38

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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.