Home / 5,215,698,063.90-7,823,925,009.45-3,140,952,399.90

Finding the Fourth Proportional to 5,215,698,063.90, 7,823,925,009.45 and 3,140,952,399.90

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Solution

The fourth proportional to 5,215,698,063.90, 7,823,925,009.45 and 3,140,952,399.90 is: 4,711,656,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,698,063.90 : 7,823,925,009.45 = 3,140,952,399.90 : x
  2. Step 2: Convert to fraction form
    5,215,698,063.90/7,823,925,009.45 = 3,140,952,399.90/x
  3. Step 3: Cross multiply
    5,215,698,063.90x = 7,823,925,009.45 × 3,140,952,399.90
  4. Step 4: Simplify right side
    5,215,698,063.90x = 24,574,576,035,069,607,936
  5. Step 5: Solve for x
    x = 24,574,576,035,069,607,936/5,215,698,063.90
  6. Step 6: Final answer
    x = 4,711,656,183.70

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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.