Home / 5,174,731,560.38-7,147,020,110.52-3,478,240,877.96

Finding the Fourth Proportional to 5,174,731,560.38, 7,147,020,110.52 and 3,478,240,877.96

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Solution

The fourth proportional to 5,174,731,560.38, 7,147,020,110.52 and 3,478,240,877.96 is: 4,803,931,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,731,560.38 : 7,147,020,110.52 = 3,478,240,877.96 : x
  2. Step 2: Convert to fraction form
    5,174,731,560.38/7,147,020,110.52 = 3,478,240,877.96/x
  3. Step 3: Cross multiply
    5,174,731,560.38x = 7,147,020,110.52 × 3,478,240,877.96
  4. Step 4: Simplify right side
    5,174,731,560.38x = 24,859,057,503,977,127,936
  5. Step 5: Solve for x
    x = 24,859,057,503,977,127,936/5,174,731,560.38
  6. Step 6: Final answer
    x = 4,803,931,800.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.