Home / 302,679,698,648.38-454,019,984,938.72-123,605,685,443.82

Finding the Fourth Proportional to 302,679,698,648.38, 454,019,984,938.72 and 123,605,685,443.82

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Solution

The fourth proportional to 302,679,698,648.38, 454,019,984,938.72 and 123,605,685,443.82 is: 185,408,706,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,679,698,648.38 : 454,019,984,938.72 = 123,605,685,443.82 : x
  2. Step 2: Convert to fraction form
    302,679,698,648.38/454,019,984,938.72 = 123,605,685,443.82/x
  3. Step 3: Cross multiply
    302,679,698,648.38x = 454,019,984,938.72 × 123,605,685,443.82
  4. Step 4: Simplify right side
    302,679,698,648.38x = 56,119,451,443,543,316,365,312
  5. Step 5: Solve for x
    x = 56,119,451,443,543,316,365,312/302,679,698,648.38
  6. Step 6: Final answer
    x = 185,408,706,610.14

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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.