Home / 1,657,606,738.20-2,287,485,661.95-904,919,913.68

Finding the Fourth Proportional to 1,657,606,738.20, 2,287,485,661.95 and 904,919,913.68

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Solution

The fourth proportional to 1,657,606,738.20, 2,287,485,661.95 and 904,919,913.68 is: 1,248,783,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,606,738.20 : 2,287,485,661.95 = 904,919,913.68 : x
  2. Step 2: Convert to fraction form
    1,657,606,738.20/2,287,485,661.95 = 904,919,913.68/x
  3. Step 3: Cross multiply
    1,657,606,738.20x = 2,287,485,661.95 × 904,919,913.68
  4. Step 4: Simplify right side
    1,657,606,738.20x = 2,069,991,327,744,593,920
  5. Step 5: Solve for x
    x = 2,069,991,327,744,593,920/1,657,606,738.20
  6. Step 6: Final answer
    x = 1,248,783,128.13

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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.