Home / 1,657,606,763.72-2,287,485,697.14-904,919,939.12

Finding the Fourth Proportional to 1,657,606,763.72, 2,287,485,697.14 and 904,919,939.12

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Solution

The fourth proportional to 1,657,606,763.72, 2,287,485,697.14 and 904,919,939.12 is: 1,248,783,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,606,763.72 : 2,287,485,697.14 = 904,919,939.12 : x
  2. Step 2: Convert to fraction form
    1,657,606,763.72/2,287,485,697.14 = 904,919,939.12/x
  3. Step 3: Cross multiply
    1,657,606,763.72x = 2,287,485,697.14 × 904,919,939.12
  4. Step 4: Simplify right side
    1,657,606,763.72x = 2,069,991,417,793,799,424
  5. Step 5: Solve for x
    x = 2,069,991,417,793,799,424/1,657,606,763.72
  6. Step 6: Final answer
    x = 1,248,783,163.23

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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.