Home / 1,657,606,757.72-2,287,485,688.86-904,919,933.12

Finding the Fourth Proportional to 1,657,606,757.72, 2,287,485,688.86 and 904,919,933.12

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Solution

The fourth proportional to 1,657,606,757.72, 2,287,485,688.86 and 904,919,933.12 is: 1,248,783,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,606,757.72 : 2,287,485,688.86 = 904,919,933.12 : x
  2. Step 2: Convert to fraction form
    1,657,606,757.72/2,287,485,688.86 = 904,919,933.12/x
  3. Step 3: Cross multiply
    1,657,606,757.72x = 2,287,485,688.86 × 904,919,933.12
  4. Step 4: Simplify right side
    1,657,606,757.72x = 2,069,991,396,576,148,480
  5. Step 5: Solve for x
    x = 2,069,991,396,576,148,480/1,657,606,757.72
  6. Step 6: Final answer
    x = 1,248,783,154.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.