Home / 832,477,087.89-1,248,792,390.90-272,241,822.96

Finding the Fourth Proportional to 832,477,087.89, 1,248,792,390.90 and 272,241,822.96

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Solution

The fourth proportional to 832,477,087.89, 1,248,792,390.90 and 272,241,822.96 is: 408,387,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,477,087.89 : 1,248,792,390.90 = 272,241,822.96 : x
  2. Step 2: Convert to fraction form
    832,477,087.89/1,248,792,390.90 = 272,241,822.96/x
  3. Step 3: Cross multiply
    832,477,087.89x = 1,248,792,390.90 × 272,241,822.96
  4. Step 4: Simplify right side
    832,477,087.89x = 339,973,516,997,192,896
  5. Step 5: Solve for x
    x = 339,973,516,997,192,896/832,477,087.89
  6. Step 6: Final answer
    x = 408,387,836.67

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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.