Home / 922,660,055.29-1,273,274,250.83-499,273,720.30

Finding the Fourth Proportional to 922,660,055.29, 1,273,274,250.83 and 499,273,720.30

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Solution

The fourth proportional to 922,660,055.29, 1,273,274,250.83 and 499,273,720.30 is: 688,999,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,660,055.29 : 1,273,274,250.83 = 499,273,720.30 : x
  2. Step 2: Convert to fraction form
    922,660,055.29/1,273,274,250.83 = 499,273,720.30/x
  3. Step 3: Cross multiply
    922,660,055.29x = 1,273,274,250.83 × 499,273,720.30
  4. Step 4: Simplify right side
    922,660,055.29x = 635,712,372,174,089,472
  5. Step 5: Solve for x
    x = 635,712,372,174,089,472/922,660,055.29
  6. Step 6: Final answer
    x = 688,999,560.05

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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.