Home / 1,262,205,751.40-1,892,412,831.90-572,443,447.40

Finding the Fourth Proportional to 1,262,205,751.40, 1,892,412,831.90 and 572,443,447.40

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Solution

The fourth proportional to 1,262,205,751.40, 1,892,412,831.90 and 572,443,447.40 is: 858,258,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,205,751.40 : 1,892,412,831.90 = 572,443,447.40 : x
  2. Step 2: Convert to fraction form
    1,262,205,751.40/1,892,412,831.90 = 572,443,447.40/x
  3. Step 3: Cross multiply
    1,262,205,751.40x = 1,892,412,831.90 × 572,443,447.40
  4. Step 4: Simplify right side
    1,262,205,751.40x = 1,083,299,325,396,832,640
  5. Step 5: Solve for x
    x = 1,083,299,325,396,832,640/1,262,205,751.40
  6. Step 6: Final answer
    x = 858,258,904.46

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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.