Home / 1,562,938,831.94-2,156,916,243.30-858,120,520.10

Finding the Fourth Proportional to 1,562,938,831.94, 2,156,916,243.30 and 858,120,520.10

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Solution

The fourth proportional to 1,562,938,831.94, 2,156,916,243.30 and 858,120,520.10 is: 1,184,239,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,938,831.94 : 2,156,916,243.30 = 858,120,520.10 : x
  2. Step 2: Convert to fraction form
    1,562,938,831.94/2,156,916,243.30 = 858,120,520.10/x
  3. Step 3: Cross multiply
    1,562,938,831.94x = 2,156,916,243.30 × 858,120,520.10
  4. Step 4: Simplify right side
    1,562,938,831.94x = 1,850,894,088,512,734,464
  5. Step 5: Solve for x
    x = 1,850,894,088,512,734,464/1,562,938,831.94
  6. Step 6: Final answer
    x = 1,184,239,620.06

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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.