Home / 863,642,848,826.72-1,191,864,595,585.30-478,267,194,677.84

Finding the Fourth Proportional to 863,642,848,826.72, 1,191,864,595,585.30 and 478,267,194,677.84

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Solution

The fourth proportional to 863,642,848,826.72, 1,191,864,595,585.30 and 478,267,194,677.84 is: 660,029,475,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,642,848,826.72 : 1,191,864,595,585.30 = 478,267,194,677.84 : x
  2. Step 2: Convert to fraction form
    863,642,848,826.72/1,191,864,595,585.30 = 478,267,194,677.84/x
  3. Step 3: Cross multiply
    863,642,848,826.72x = 1,191,864,595,585.30 × 478,267,194,677.84
  4. Step 4: Simplify right side
    863,642,848,826.72x = 570,029,736,566,419,796,000,768
  5. Step 5: Solve for x
    x = 570,029,736,566,419,796,000,768/863,642,848,826.72
  6. Step 6: Final answer
    x = 660,029,475,541.68

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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.