Home / 681,426,064.20-1,022,139,096.30-436,538,051.40

Finding the Fourth Proportional to 681,426,064.20, 1,022,139,096.30 and 436,538,051.40

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Solution

The fourth proportional to 681,426,064.20, 1,022,139,096.30 and 436,538,051.40 is: 654,807,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,426,064.20 : 1,022,139,096.30 = 436,538,051.40 : x
  2. Step 2: Convert to fraction form
    681,426,064.20/1,022,139,096.30 = 436,538,051.40/x
  3. Step 3: Cross multiply
    681,426,064.20x = 1,022,139,096.30 × 436,538,051.40
  4. Step 4: Simplify right side
    681,426,064.20x = 446,202,609,358,558,912
  5. Step 5: Solve for x
    x = 446,202,609,358,558,912/681,426,064.20
  6. Step 6: Final answer
    x = 654,807,077.10

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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.