Home / 792,088,688.10-1,188,133,032.15-724,008,252.90

Finding the Fourth Proportional to 792,088,688.10, 1,188,133,032.15 and 724,008,252.90

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Solution

The fourth proportional to 792,088,688.10, 1,188,133,032.15 and 724,008,252.90 is: 1,086,012,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,088,688.10 : 1,188,133,032.15 = 724,008,252.90 : x
  2. Step 2: Convert to fraction form
    792,088,688.10/1,188,133,032.15 = 724,008,252.90/x
  3. Step 3: Cross multiply
    792,088,688.10x = 1,188,133,032.15 × 724,008,252.90
  4. Step 4: Simplify right side
    792,088,688.10x = 860,218,120,819,701,120
  5. Step 5: Solve for x
    x = 860,218,120,819,701,120/792,088,688.10
  6. Step 6: Final answer
    x = 1,086,012,379.35

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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.