Home / 579,658,218.30-869,235,385.05-191,330,999.10

Finding the Fourth Proportional to 579,658,218.30, 869,235,385.05 and 191,330,999.10

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Solution

The fourth proportional to 579,658,218.30, 869,235,385.05 and 191,330,999.10 is: 286,913,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,658,218.30 : 869,235,385.05 = 191,330,999.10 : x
  2. Step 2: Convert to fraction form
    579,658,218.30/869,235,385.05 = 191,330,999.10/x
  3. Step 3: Cross multiply
    579,658,218.30x = 869,235,385.05 × 191,330,999.10
  4. Step 4: Simplify right side
    579,658,218.30x = 166,311,674,674,689,696
  5. Step 5: Solve for x
    x = 166,311,674,674,689,696/579,658,218.30
  6. Step 6: Final answer
    x = 286,913,338.63

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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.