Home / 1,207,125,794.28-1,810,688,831.70-378,144,036.24

Finding the Fourth Proportional to 1,207,125,794.28, 1,810,688,831.70 and 378,144,036.24

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Solution

The fourth proportional to 1,207,125,794.28, 1,810,688,831.70 and 378,144,036.24 is: 567,216,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,125,794.28 : 1,810,688,831.70 = 378,144,036.24 : x
  2. Step 2: Convert to fraction form
    1,207,125,794.28/1,810,688,831.70 = 378,144,036.24/x
  3. Step 3: Cross multiply
    1,207,125,794.28x = 1,810,688,831.70 × 378,144,036.24
  4. Step 4: Simplify right side
    1,207,125,794.28x = 684,701,183,193,728,128
  5. Step 5: Solve for x
    x = 684,701,183,193,728,128/1,207,125,794.28
  6. Step 6: Final answer
    x = 567,216,098.30

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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.