Home / 1,458,420,038,972.50-2,187,431,471,831.70-383,885,977,821.72

Finding the Fourth Proportional to 1,458,420,038,972.50, 2,187,431,471,831.70 and 383,885,977,821.72

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Solution

The fourth proportional to 1,458,420,038,972.50, 2,187,431,471,831.70 and 383,885,977,821.72 is: 575,776,694,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,420,038,972.50 : 2,187,431,471,831.70 = 383,885,977,821.72 : x
  2. Step 2: Convert to fraction form
    1,458,420,038,972.50/2,187,431,471,831.70 = 383,885,977,821.72/x
  3. Step 3: Cross multiply
    1,458,420,038,972.50x = 2,187,431,471,831.70 × 383,885,977,821.72
  4. Step 4: Simplify right side
    1,458,420,038,972.50x = 839,724,269,482,116,223,336,448
  5. Step 5: Solve for x
    x = 839,724,269,482,116,223,336,448/1,458,420,038,972.50
  6. Step 6: Final answer
    x = 575,776,694,671.40

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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.