Home / 695,474,095.80-1,043,211,143.70-685,270,428.60

Finding the Fourth Proportional to 695,474,095.80, 1,043,211,143.70 and 685,270,428.60

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Solution

The fourth proportional to 695,474,095.80, 1,043,211,143.70 and 685,270,428.60 is: 1,027,905,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,474,095.80 : 1,043,211,143.70 = 685,270,428.60 : x
  2. Step 2: Convert to fraction form
    695,474,095.80/1,043,211,143.70 = 685,270,428.60/x
  3. Step 3: Cross multiply
    695,474,095.80x = 1,043,211,143.70 × 685,270,428.60
  4. Step 4: Simplify right side
    695,474,095.80x = 714,881,747,563,595,264
  5. Step 5: Solve for x
    x = 714,881,747,563,595,264/695,474,095.80
  6. Step 6: Final answer
    x = 1,027,905,642.90

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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.