Home / 1,691,388,792.78-2,333,593,435.95-986,041,507.02

Finding the Fourth Proportional to 1,691,388,792.78, 2,333,593,435.95 and 986,041,507.02

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Solution

The fourth proportional to 1,691,388,792.78, 2,333,593,435.95 and 986,041,507.02 is: 1,360,432,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,388,792.78 : 2,333,593,435.95 = 986,041,507.02 : x
  2. Step 2: Convert to fraction form
    1,691,388,792.78/2,333,593,435.95 = 986,041,507.02/x
  3. Step 3: Cross multiply
    1,691,388,792.78x = 2,333,593,435.95 × 986,041,507.02
  4. Step 4: Simplify right side
    1,691,388,792.78x = 2,301,019,988,356,117,504
  5. Step 5: Solve for x
    x = 2,301,019,988,356,117,504/1,691,388,792.78
  6. Step 6: Final answer
    x = 1,360,432,325.30

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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.