Home / 1,189,258,510.81-1,783,876,406.22-723,048,650.47

Finding the Fourth Proportional to 1,189,258,510.81, 1,783,876,406.22 and 723,048,650.47

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Solution

The fourth proportional to 1,189,258,510.81, 1,783,876,406.22 and 723,048,650.47 is: 1,084,566,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,258,510.81 : 1,783,876,406.22 = 723,048,650.47 : x
  2. Step 2: Convert to fraction form
    1,189,258,510.81/1,783,876,406.22 = 723,048,650.47/x
  3. Step 3: Cross multiply
    1,189,258,510.81x = 1,783,876,406.22 × 723,048,650.47
  4. Step 4: Simplify right side
    1,189,258,510.81x = 1,289,829,428,126,434,048
  5. Step 5: Solve for x
    x = 1,289,829,428,126,434,048/1,189,258,510.81
  6. Step 6: Final answer
    x = 1,084,566,069.03

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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.