Home / 789,787,201.60-1,184,680,802.40-402,366,712.60

Finding the Fourth Proportional to 789,787,201.60, 1,184,680,802.40 and 402,366,712.60

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Solution

The fourth proportional to 789,787,201.60, 1,184,680,802.40 and 402,366,712.60 is: 603,550,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,787,201.60 : 1,184,680,802.40 = 402,366,712.60 : x
  2. Step 2: Convert to fraction form
    789,787,201.60/1,184,680,802.40 = 402,366,712.60/x
  3. Step 3: Cross multiply
    789,787,201.60x = 1,184,680,802.40 × 402,366,712.60
  4. Step 4: Simplify right side
    789,787,201.60x = 476,676,119,942,018,240
  5. Step 5: Solve for x
    x = 476,676,119,942,018,240/789,787,201.60
  6. Step 6: Final answer
    x = 603,550,068.90

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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.