Home / 1,130,154,490.53-1,691,916,717.87-792,461,079.72

Finding the Fourth Proportional to 1,130,154,490.53, 1,691,916,717.87 and 792,461,079.72

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Solution

The fourth proportional to 1,130,154,490.53, 1,691,916,717.87 and 792,461,079.72 is: 1,186,367,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,154,490.53 : 1,691,916,717.87 = 792,461,079.72 : x
  2. Step 2: Convert to fraction form
    1,130,154,490.53/1,691,916,717.87 = 792,461,079.72/x
  3. Step 3: Cross multiply
    1,130,154,490.53x = 1,691,916,717.87 × 792,461,079.72
  4. Step 4: Simplify right side
    1,130,154,490.53x = 1,340,778,149,039,578,880
  5. Step 5: Solve for x
    x = 1,340,778,149,039,578,880/1,130,154,490.53
  6. Step 6: Final answer
    x = 1,186,367,138.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.