Home / 710,462,905-1,065,682,270.68-212,474,558.32

Finding the Fourth Proportional to 710,462,905, 1,065,682,270.68 and 212,474,558.32

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Solution

The fourth proportional to 710,462,905, 1,065,682,270.68 and 212,474,558.32 is: 318,708,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,462,905 : 1,065,682,270.68 = 212,474,558.32 : x
  2. Step 2: Convert to fraction form
    710,462,905/1,065,682,270.68 = 212,474,558.32/x
  3. Step 3: Cross multiply
    710,462,905x = 1,065,682,270.68 × 212,474,558.32
  4. Step 4: Simplify right side
    710,462,905x = 226,430,369,772,187,680
  5. Step 5: Solve for x
    x = 226,430,369,772,187,680/710,462,905
  6. Step 6: Final answer
    x = 318,708,222.74

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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.