Home / 389,741,794.08-584,666,423.28-130,977,061.44

Finding the Fourth Proportional to 389,741,794.08, 584,666,423.28 and 130,977,061.44

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Solution

The fourth proportional to 389,741,794.08, 584,666,423.28 and 130,977,061.44 is: 196,483,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,741,794.08 : 584,666,423.28 = 130,977,061.44 : x
  2. Step 2: Convert to fraction form
    389,741,794.08/584,666,423.28 = 130,977,061.44/x
  3. Step 3: Cross multiply
    389,741,794.08x = 584,666,423.28 × 130,977,061.44
  4. Step 4: Simplify right side
    389,741,794.08x = 76,577,890,043,849,600
  5. Step 5: Solve for x
    x = 76,577,890,043,849,600/389,741,794.08
  6. Step 6: Final answer
    x = 196,483,649.45

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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.