Home / 10,338,338,391.05-15,512,018,229.28-3,620,302,089.58

Finding the Fourth Proportional to 10,338,338,391.05, 15,512,018,229.28 and 3,620,302,089.58

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Solution

The fourth proportional to 10,338,338,391.05, 15,512,018,229.28 and 3,620,302,089.58 is: 5,432,032,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338,338,391.05 : 15,512,018,229.28 = 3,620,302,089.58 : x
  2. Step 2: Convert to fraction form
    10,338,338,391.05/15,512,018,229.28 = 3,620,302,089.58/x
  3. Step 3: Cross multiply
    10,338,338,391.05x = 15,512,018,229.28 × 3,620,302,089.58
  4. Step 4: Simplify right side
    10,338,338,391.05x = 56,158,192,009,071,116,288
  5. Step 5: Solve for x
    x = 56,158,192,009,071,116,288/10,338,338,391.05
  6. Step 6: Final answer
    x = 5,432,032,681.16

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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.