Home / 690,066,604.73-1,034,736,700.35-471,779,372.96

Finding the Fourth Proportional to 690,066,604.73, 1,034,736,700.35 and 471,779,372.96

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Solution

The fourth proportional to 690,066,604.73, 1,034,736,700.35 and 471,779,372.96 is: 707,420,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,066,604.73 : 1,034,736,700.35 = 471,779,372.96 : x
  2. Step 2: Convert to fraction form
    690,066,604.73/1,034,736,700.35 = 471,779,372.96/x
  3. Step 3: Cross multiply
    690,066,604.73x = 1,034,736,700.35 × 471,779,372.96
  4. Step 4: Simplify right side
    690,066,604.73x = 488,167,431,669,822,400
  5. Step 5: Solve for x
    x = 488,167,431,669,822,400/690,066,604.73
  6. Step 6: Final answer
    x = 707,420,745.08

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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.