Home / 569,677,561.63-786,187,982.85-318,779,763.04

Finding the Fourth Proportional to 569,677,561.63, 786,187,982.85 and 318,779,763.04

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Solution

The fourth proportional to 569,677,561.63, 786,187,982.85 and 318,779,763.04 is: 439,934,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,677,561.63 : 786,187,982.85 = 318,779,763.04 : x
  2. Step 2: Convert to fraction form
    569,677,561.63/786,187,982.85 = 318,779,763.04/x
  3. Step 3: Cross multiply
    569,677,561.63x = 786,187,982.85 × 318,779,763.04
  4. Step 4: Simplify right side
    569,677,561.63x = 250,620,818,875,853,152
  5. Step 5: Solve for x
    x = 250,620,818,875,853,152/569,677,561.63
  6. Step 6: Final answer
    x = 439,934,509.90

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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.